CN216428375U

CN216428375U - Water conservancy reconnaissance sediment removal device

Info

Publication number: CN216428375U
Application number: CN202122517416.9U
Authority: CN
Inventors: 刘猛; 张志阔; 张泽平; 陆海玉; 柴鹏; 马钊; 王其超; 王帅; 赵伟; 欧清; 马星辰; 齐阁; 刘浩; 张祥星; 季小凯
Original assignee: Shandong Survey and Design Institute of Water Conservancy Co Ltd
Current assignee: Shandong Survey and Design Institute of Water Conservancy Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-03
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to the technical field of hydraulic engineering, in particular to a water conservancy investigation dredging device which has low use cost, can recover sludge, is simple and convenient to operate and has high equipment practicability; the hydraulic mud dredging device is characterized by further comprising a base, a rotary supporting mechanism, a pipeline mechanism, a hydraulic mechanism, a conveying mechanism and a mud dredging device, wherein the base is arranged to be a firm cement square platform, the rotary supporting mechanism is installed on the upper end face of the base and supports the pipeline mechanism, the pipeline mechanism is provided with a mud inlet and a mud outlet, the hydraulic mechanism is in transmission connection with the pipeline mechanism and the rotary supporting mechanism, the conveying mechanism is installed inside the pipeline mechanism in a rotating mode, the mud dredging device is installed on the conveying mechanism, and the mud dredging device extends out of the mud inlet of the pipeline mechanism.

Description

Water conservancy reconnaissance sediment removal device

Technical Field

The utility model relates to a hydraulic engineering's technical field especially relates to a water conservancy investigation sediment removal device.

Background

Natural river is under the effect of river course bending and fall, the rivers velocity of flow of river is fast hour slow, cause some river reach in the river course to pile up silt easily, cause the river course to block up, it is with high costs to use traditional desilting boats and ships to carry out the desilting this moment, it takes time longer for the desilting boat to discharge silt, river course silt fertility is high, traditional desilting boat can not be with the silt recycle of clearance, just need pile up a use cost low by the river course of silt easily this moment, can retrieve silt, water conservancy investigation desilting device easy and simple to handle.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a low in use cost can retrieve silt, and is easy and simple to handle, water conservancy investigation desilting device that equipment practicality is high.

The utility model discloses a water conservancy investigation desilting device, still include base, rotatory supporting mechanism, pipeline mechanism, hydraulic pressure mechanism, conveying mechanism and mud digging device, the base sets up to firm cement square platform, install rotatory supporting mechanism on the up end of base, rotatory supporting mechanism supports installation pipeline mechanism, pipeline mechanism is provided with into mud mouth and mud discharge port, hydraulic pressure mechanism transmission connection pipeline mechanism and rotatory supporting mechanism, conveying mechanism rotates and installs inside pipeline mechanism, the mud digging device is installed on conveying mechanism, the mud digging device stretches out outside the mud mouth of pipeline mechanism; when the river course needs the desilting, start rotatory supporting mechanism, make rotatory supporting mechanism drive pipeline mechanism and rotate, pipeline mechanism places from the river bank limit and rotates the river face top, the action of operation hydraulic pressure mechanism, hydraulic pressure mechanism drives during the mud inlet that pipeline mechanism stretched into the silt of river bed, start conveying mechanism, conveying mechanism drives the rotation of dredging device, dredging device stirs the bits of broken glass with river bed silt, conveying mechanism inhales the mud inlet of pipeline mechanism with the bits of broken glass silt, and carry silt to the mud discharge outlet that is located the river bank through pipeline mechanism and discharge, the transport vehicle recycle is used to the silt of discharge, low in use cost, can retrieve silt, easy and simple to handle, equipment practicality is high.

Preferably, the rotary supporting mechanism further comprises a rotary platform, a gear ring, a gear, a rotary motor, a supporting frame, a supporting seat and a rotating shaft, wherein the fixed end of the rotary platform is mounted on the upper end face of the base, the gear ring is mounted at the rotating end of the rotary platform, the gear ring is meshed with the gear, an output shaft of the rotary motor and the gear are concentrically mounted, the rotary motor is mounted on the side wall of the base, the supporting frame is mounted at the rotating end of the rotary platform, and the supporting seat is rotatably mounted on the supporting frame through the rotating shaft; rotating electrical machines drive gear rotates, and the gear drives the ring gear and rotates, and the ring gear drives rotary platform's rotation end and rotates, and rotary platform is followed to support frame and supporting seat and rotates, simple structure, and the support is firm, and rotation efficiency is high, improve equipment practicality.

Preferably, the pipeline mechanism further comprises a mud conveying upper pipe, a mud conveying lower pipe, a switching pipe, a rotating pipe and a telescopic pipe, wherein a mud discharging opening is formed in the upper end of the mud conveying upper pipe, the lower end of the mud conveying upper pipe is connected with the upper end of the mud conveying lower pipe, the lower end of the mud conveying lower pipe is connected with the upper end of the switching pipe, a vertical short pipe is arranged at the lower end of the switching pipe, a connecting pipe is arranged at the upper end of the rotating pipe, the connecting pipe of the rotating pipe is connected with the vertical short pipe of the switching pipe in a sealing and rotating mode, the upper end of the telescopic pipe is sleeved with the lower end of the rotating pipe in a sliding mode, and a mud inlet is formed in the lower end of the telescopic pipe; rotate through the switching pipe and change the pipe and connect through the drive of hydraulic pressure mechanism, can change the angle of switching pipe and commentaries on classics pipe, change the pipe and stretch out and draw back the pipe slip suit, can follow the extension of change pipe and shorten through the flexible pipe of hydraulic pressure mechanism drive, cooperate rotatory supporting mechanism, enlarge the scope of desilting, improve equipment practicality.

Preferably, the hydraulic mechanism further comprises a pitching lower plate, a pitching oil cylinder, a pitching upper plate, an angle modulation oil cylinder, an angle modulation armed plate and a telescopic oil cylinder, wherein the upper end of the pitching lower plate is installed on the outer side wall of the support frame, the lower end of the pitching lower plate is rotatably connected with one end of the pitching oil cylinder, the other end of the pitching oil cylinder is rotatably connected with one end of the pitching upper plate, the other end of the pitching upper plate is fixedly installed with the rotating shaft, one end of the angle modulation oil cylinder is rotatably connected with the rotating shaft, the other end of the angle modulation oil cylinder is rotatably connected with the angle modulation armed plate, the other end of the angle modulation armed plate is fixedly installed at the upper end of the rotating pipe, and the two ends of the telescopic oil cylinder are respectively connected with the rotating pipe and the telescopic pipe; the pitching oil cylinder extends and shortens the whole pitching angle of the control pipeline mechanism, the angle adjusting oil cylinder extends and shortens the angle of the control switching pipe and the rotating pipe, and the telescopic oil cylinder extends and shortens the length of the control telescopic pipe extending along the rotating pipe, so that each movable part of the pipeline mechanism is effectively controlled, the operation is simple, and the practicability of the equipment is improved.

Preferably, the conveying mechanism further comprises a mud conveying motor, a mud conveying rod, a mud conveying auger, an adapter rod, a telescopic rod, a mud sucking auger and a plurality of bevel gears, the mud conveying motor is arranged at the upper end of the mud conveying upper pipe, an output shaft of the mud conveying motor and the mud conveying rod are concentrically arranged, the mud conveying auger is arranged on the mud conveying rod, the mud conveying rod and the mud conveying auger are rotatably arranged inside the mud conveying upper pipe and the mud conveying lower pipe, the adapter rod is rotatably arranged in a vertical short pipe of the adapter pipe and a connecting pipe of the adapter pipe, a fixed end of the telescopic rod is rotatably arranged inside the adapter pipe, a moving end of the telescopic rod is rotatably arranged inside the telescopic pipe, the mud sucking auger is arranged at a moving end of the telescopic rod, the two ends of the adapter rod, the lower end of the mud conveying rod and the fixed end of the telescopic rod are respectively provided with the bevel gears, and the bevel gears are meshed with each other two bevel gears; defeated mud pole of defeated mud motor drive rotates, defeated mud pole passes through the bevel gear transmission, it rotates to drive the switching pole, the switching pole drives the telescopic link through the bevel gear transmission and rotates, the telescopic link drives inhales the mud auger and rotates, it will dig in the mud device and stir garrulous silt and inhale in the mud inlet of flexible pipe, and carry to the switching pipe in through flexible pipe and commentaries on classics pipe, the mud of pivoted defeated mud auger in will switching pipe is carried to the row mud mouth of defeated mud top tube through defeated mud low tube and defeated mud top tube and is discharged, silt is carried to the high efficiency, flexible pipe and commentaries on classics pipe of telescopic link cooperation are flexible, improve equipment work efficiency.

Preferably, the dredging device also comprises two dredging rakes, and the two dredging rakes are both provided with a plurality of detachable dredging teeth; when the dredging harrow is damaged, only the dredging teeth need to be replaced, the whole dredging teeth do not need to be replaced, and the maintenance cost is reduced.

Preferably, the diameter of the mud conveying upper pipe is smaller than that of the mud conveying lower pipe, a plurality of water filtering holes are formed in the side wall of the mud conveying upper pipe, and the mud conveying auger is matched with the mud conveying lower pipe and the inner diameter of the mud conveying upper pipe to form an auger blade with a radius; when defeated mud auger carried silt along defeated mud low tube and defeated mud top tube, silt was extruded by the little internal diameter of defeated mud top tube, and most moisture passes through the drainage hole and discharges, makes silt density increase moisture and reduces, increasees silt conveying efficiency.

Compared with the prior art, the beneficial effects of the utility model are that: when the river course needs the desilting, start rotatory supporting mechanism, make rotatory supporting mechanism drive pipeline mechanism and rotate, pipeline mechanism places from the river bank limit and rotates the river face top, the action of operation hydraulic pressure mechanism, hydraulic pressure mechanism drives during the mud inlet that pipeline mechanism stretched into the silt of river bed, start conveying mechanism, conveying mechanism drives the rotation of dredging device, dredging device stirs the bits of broken glass with river bed silt, conveying mechanism inhales the mud inlet of pipeline mechanism with the bits of broken glass silt, and carry silt to the mud discharge outlet that is located the river bank through pipeline mechanism and discharge, the transport vehicle recycle is used to the silt of discharge, low in use cost, can retrieve silt, easy and simple to handle, equipment practicality is high.

Drawings

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

FIG. 2 is a schematic view of the axial measurement structure of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic structural view of the conveying mechanism;

FIG. 5 is an enlarged schematic view of the rotary support mechanism;

in the drawings, the reference numbers: 1. a base; 2. a rotation support mechanism; 3. a piping mechanism; 4. a hydraulic mechanism; 5. a conveying mechanism; 6. a dredging device; 7. rotating the platform; 8. a ring gear; 9. a gear; 10. a rotating electric machine; 11. a support frame; 12. a supporting seat; 13. a rotating shaft; 14. conveying mud to an upper pipe; 15. conveying and discharging the pipe; 16. a transfer tube; 17. pipe rotation; 18. a telescopic pipe; 19. a pitching lower plate; 20. a pitching oil cylinder; 21. a pitching upper plate; 22. an angle adjusting oil cylinder; 23. an angle adjusting arm plate; 24. a telescopic oil cylinder; 25. a mud conveying motor; 26. a mud conveying rod; 27. a mud conveying auger; 28. a transfer lever; 29. a telescopic rod; 30. a mud sucking auger; 31. a bevel gear; 32. a digging harrow.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

A water conservancy investigation dredging device further comprises a base 1, a rotary supporting mechanism 2, a pipeline mechanism 3, a hydraulic mechanism 4, a conveying mechanism 5 and a dredging device 6, wherein the base 1 is set to be a firm cement square platform, the rotary supporting mechanism 2 is installed on the upper end surface of the base 1, the rotary supporting mechanism 2 supports and installs the pipeline mechanism 3, the pipeline mechanism 3 is provided with a mud inlet and a mud outlet, the hydraulic mechanism 4 is in transmission connection with the pipeline mechanism 3 and the rotary supporting mechanism 2, the conveying mechanism 5 is rotatably installed inside the pipeline mechanism 3, the dredging device 6 is installed on the conveying mechanism 5, and the dredging device 6 extends out of the mud inlet of the pipeline mechanism 3; when the river course needs the desilting, start rotatory supporting mechanism 2, make rotatory supporting mechanism 2 drive pipeline mechanism 3 and rotate, pipeline mechanism 3 is placed from the river course bank and is rotated the river face top, operation hydraulic pressure mechanism 4 action, hydraulic pressure mechanism 4 drives in the mud mouth that advances of pipeline mechanism 3 stretches into the silt of river bottom, start conveying mechanism 5, conveying mechanism 5 drives dredging device 6 and rotates, dredging device 6 stirs the bits of broken glass with river bottom silt, conveying mechanism 5 inhales the mud mouth that advances of pipeline mechanism 3 with the silt of stirring the bits of broken glass, and carry silt to the mud mouth that is located the river bank through pipeline mechanism 3 and discharge, the transport vehicle recycle is used to the silt of discharge, use cost is low, can retrieve silt, easy and simple to handle, and high in equipment practicality.

Example 2

A water conservancy investigation dredging device further comprises a base 1, a rotary supporting mechanism 2, a pipeline mechanism 3, a hydraulic mechanism 4, a conveying mechanism 5 and a dredging device 6, wherein the base 1 is set to be a firm cement square platform, the rotary supporting mechanism 2 is installed on the upper end surface of the base 1, the rotary supporting mechanism 2 supports and installs the pipeline mechanism 3, the pipeline mechanism 3 is provided with a mud inlet and a mud outlet, the hydraulic mechanism 4 is in transmission connection with the pipeline mechanism 3 and the rotary supporting mechanism 2, the conveying mechanism 5 is rotatably installed inside the pipeline mechanism 3, the dredging device 6 is installed on the conveying mechanism 5, and the dredging device 6 extends out of the mud inlet of the pipeline mechanism 3; the rotary supporting mechanism 2 further comprises a rotary platform 7, a gear ring 8, a gear 9, a rotary motor 10, a supporting frame 11, a supporting seat 12 and a rotating shaft 13, wherein the fixed end of the rotary platform 7 is installed on the upper end face of the base 1, the gear ring 8 is installed at the rotating end of the rotary platform 7, the gear ring 8 is meshed with the gear 9, an output shaft of the rotary motor 10 is concentrically installed with the gear 9, the rotary motor 10 is installed on the side wall of the base 1, the supporting frame 11 is installed on the rotating end of the rotary platform 7, and the supporting seat 12 is rotatably installed on the supporting frame 11 through the rotating shaft 13; the pipeline mechanism 3 also comprises a mud conveying upper pipe 14, a mud conveying lower pipe 15, an adapter pipe 16, a rotating pipe 17 and a telescopic pipe 18, wherein a mud discharging opening is formed in the upper end of the mud conveying upper pipe 14, the lower end of the mud conveying upper pipe 14 is connected with the upper end of the mud conveying lower pipe 15, the lower end of the mud conveying lower pipe 15 is connected with the upper end of the adapter pipe 16, a vertical short pipe is arranged at the lower end of the adapter pipe 16, a connecting pipe is arranged at the upper end of the rotating pipe 17, the connecting pipe of the rotating pipe 17 is in sealed rotating connection with the vertical short pipe of the adapter pipe 16, the upper end of the telescopic pipe 18 is in sliding fit with the lower end of the rotating pipe 17, and a mud inlet is formed in the lower end of the telescopic pipe 18; 10 drive gear 9 of rotating electrical machines rotates, gear 9 drives ring gear 8 and rotates, ring gear 8 drives the rotation end rotation of rotary platform 7, support frame 11 and supporting seat 12 follow rotary platform 7 and rotate, rotate through switching pipe 16 and commentaries on classics pipe 17 and connect through the drive of hydraulic pressure mechanism 4, can change the angle of switching pipe 16 and commentaries on classics pipe 17, commentaries on classics pipe 17 and flexible 18 slip suit of pipe, can follow the extension of commentaries on classics pipe 17 and shorten through the flexible 18 of hydraulic pressure mechanism 4 drive pipe, cooperation rotary supporting mechanism 2, enlarge the scope of desilting, improve equipment practicality.

Example 3

A water conservancy investigation dredging device further comprises a base 1, a rotary supporting mechanism 2, a pipeline mechanism 3, a hydraulic mechanism 4, a conveying mechanism 5 and a dredging device 6, wherein the base 1 is set to be a firm cement square platform, the rotary supporting mechanism 2 is installed on the upper end surface of the base 1, the rotary supporting mechanism 2 supports and installs the pipeline mechanism 3, the pipeline mechanism 3 is provided with a mud inlet and a mud outlet, the hydraulic mechanism 4 is in transmission connection with the pipeline mechanism 3 and the rotary supporting mechanism 2, the conveying mechanism 5 is rotatably installed inside the pipeline mechanism 3, the dredging device 6 is installed on the conveying mechanism 5, and the dredging device 6 extends out of the mud inlet of the pipeline mechanism 3; the hydraulic mechanism 4 further comprises a pitching lower plate 19, a pitching hydro-cylinder 20, a pitching upper plate 21, an angle modulation hydro-cylinder 22, an angle modulation armed plate 23 and a telescopic hydro-cylinder 24, wherein the upper end of the pitching lower plate 19 is installed on the outer side wall of the support frame 11, the lower end of the pitching lower plate 19 is rotatably connected with one end of the pitching hydro-cylinder 20, the other end of the pitching hydro-cylinder 20 is rotatably connected with one end of the pitching upper plate 21, the other end of the pitching upper plate 21 is fixedly installed with the rotating shaft 13, one end of the angle modulation hydro-cylinder 22 is rotatably connected with the rotating shaft 13, the other end of the angle modulation hydro-cylinder 22 is rotatably connected with the angle modulation armed plate 23, the other end of the angle modulation armed plate 23 is fixedly installed at the upper end of the rotating pipe 17, and the two ends of the telescopic hydro-cylinder 24 are respectively connected with the rotating pipe 17 and the telescopic pipe 18; the conveying mechanism 5 also comprises a mud conveying motor 25, a mud conveying rod 26, a mud conveying auger 27, a switching rod 28, a telescopic rod 29, a mud sucking auger 30 and a plurality of bevel gears 31, wherein the mud conveying motor 25 is arranged at the upper end of the mud conveying upper pipe 14, the output shaft of the mud conveying motor 25 and the mud conveying rod 26 are concentrically arranged, the mud conveying auger 27 is arranged on the mud conveying rod 26, the mud conveying rod 26 and the mud conveying auger 27 are rotatably arranged inside the mud conveying upper pipe 14 and the mud conveying lower pipe 15, the switching rod 28 is rotatably arranged in a vertical short pipe of the switching pipe 16 and a connecting pipe of the switching pipe 17, the fixed end of the telescopic rod 29 is rotatably arranged in the rotating pipe 17, the moving end of the telescopic rod 29 is rotatably arranged in the telescopic pipe 18, the mud sucking auger 30 is arranged at the moving end of the telescopic rod 29, the two ends of the switching rod 28, the lower end of the mud conveying rod 26 and the fixed end of the telescopic rod 29 are respectively provided with a bevel gear 31, and the plurality of bevel gears 31 are meshed in pairs; the pitching oil cylinder 20 extends and shortens the integral pitching angle of the control pipeline mechanism 3, the angle adjusting oil cylinder 22 extends and shortens the angle of the control adapting pipe 16 and the rotating pipe 17, the telescopic oil cylinder 24 extends and shortens the length of the control telescopic pipe 18 extending along the rotating pipe 17, so that each movable part of the pipeline mechanism 3 is effectively controlled, the mud conveying motor 25 drives the mud conveying rod 26 to rotate, the mud conveying rod 26 drives the adapting rod 28 to rotate through the transmission of the bevel gear 31, the adapting rod 28 drives the telescopic rod 29 to rotate through the transmission of the bevel gear 31, the telescopic rod 29 drives the mud sucking auger 30 to rotate, the mud sucking auger 30 sucks the mud crushed by the dredging device 6 into the mud inlet of the telescopic pipe 18 and conveys the mud into the adapting pipe 16 through the telescopic pipe 18 and the rotating pipe 17, the rotating mud conveying auger 27 conveys the mud in the adapting pipe 16 to the mud outlet of the mud conveying upper pipe 14 through the mud conveying lower pipe 15 and the mud conveying upper pipe 14 and discharges the mud, the sludge is efficiently conveyed, and the telescopic rod 29 is matched with the telescopic pipe 18 and the rotary pipe 17 to be telescopic, so that the working efficiency of the equipment is improved.

As shown in fig. 1 to 5, the water conservancy investigation dredging device of the present invention is operated, when a river channel needs dredging, firstly, the rotary supporting mechanism 2 is started, the rotary motor 10 drives the gear 9 to rotate, the gear 9 drives the gear ring 8 to rotate, the gear ring 8 drives the rotating end of the rotary platform 7 to rotate, the supporting frame 11 and the supporting seat 12 rotate along with the rotary platform 7, so that the pipeline mechanism 3 is placed and rotated above the river from the bank of the river channel, then the hydraulic mechanism 4 is operated, the pitching cylinder 20 is shortened to drive the mud conveying lower pipe 15 and the switching pipe 16 to extend into the water, the angle adjusting cylinder 22 extends to control the angle of the switching pipe 16 and the switching pipe 17, so that the telescopic pipe 18 extends into the mud at the river bottom, the telescopic cylinder 24 extends and shortens to control the dredging depth of the telescopic pipe 18, then the mud conveying motor 25 is started, the mud conveying motor 25 drives the mud conveying rod 26 to rotate, the mud conveying rod 26 is driven by the bevel gear 31, the adaptor rod 28 is driven to rotate, the adaptor rod 28 drives the telescopic rod 29 to rotate through the transmission of the bevel gear 31, the telescopic rod 29 drives the mud absorbing auger 30 to rotate, the mud absorbing auger 30 absorbs the mud crushed by the mud digging device 6 into a mud inlet of the telescopic pipe 18 and conveys the mud into the adaptor pipe 16 through the telescopic pipe 18 and the rotary pipe 17, the mud in the adaptor pipe 16 is conveyed to a mud discharging port of the mud conveying upper pipe 14 through the mud conveying lower pipe 15 and the mud conveying upper pipe 14 by the rotating mud conveying auger 27 and is discharged out, when the mud is conveyed by the mud conveying auger 27 along the mud conveying lower pipe 15 and the mud conveying upper pipe 14, the mud is extruded by the small inner diameter of the mud conveying upper pipe 14, most of water is discharged out through the drainage holes, and finally the discharged mud can be recycled by using a transport vehicle.

The utility model discloses the main function who realizes does: the use cost is low, the sludge can be recovered, the operation is simple and convenient, and the practicability of the equipment is high.

The installation mode, the connection mode or the setting mode of the water conservancy investigation dredging device of the utility model are common mechanical modes, and the installation mode, the connection mode or the setting mode can be implemented as long as the beneficial effects can be achieved; the utility model discloses a rotary platform 7, rotating electrical machines 10, every single move hydro-cylinder 20, angle modulation hydro-cylinder 22, flexible hydro-cylinder 24, defeated mud motor 25, defeated mud auger 27, the harrow 32 of digging mud of water conservancy investigation dredging device are purchase on the market, this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in this field to pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a water conservancy reconnaissance sediment removal device, a serial communication port, still include base (1), rotatory supporting mechanism (2), pipeline mechanism (3), hydraulic pressure mechanism (4), conveying mechanism (5) and excavating gear (6), base (1) sets up to firm cement square platform, install rotatory supporting mechanism (2) on the up end of base (1), rotatory supporting mechanism (2) support installation pipeline mechanism (3), pipeline mechanism (3) are provided with into mud mouth and mud discharge mouth, hydraulic pressure mechanism (4) transmission connecting pipeline mechanism (3) and rotatory supporting mechanism (2), conveying mechanism (5) rotate and install inside pipeline mechanism (3), excavating gear (6) are installed on conveying mechanism (5), excavating gear (6) stretch out outside the mud mouth of pipeline mechanism (3).

2. A water conservancy investigation dredging device according to claim 1, wherein the rotary supporting mechanism (2) further comprises a rotary platform (7), a gear ring (8), a gear (9), a rotary motor (10), a supporting frame (11), a supporting seat (12) and a rotating shaft (13), a fixed end of the rotary platform (7) is mounted on the upper end surface of the base (1), the gear ring (8) is mounted on a rotating end of the rotary platform (7), the gear ring (8) is engaged with the gear (9), an output shaft of the rotary motor (10) is concentrically mounted with the gear (9), the rotary motor (10) is mounted on the side wall of the base (1), the supporting frame (11) is mounted on the rotating end of the rotary platform (7), and the supporting seat (12) is rotatably mounted on the supporting frame (11) through the rotating shaft (13).

3. A water conservancy investigation dredging device as claimed in claim 1, characterized in that the pipe mechanism (3) further comprises a mud conveying upper pipe (14), a mud conveying lower pipe (15), an adapter pipe (16), a rotating pipe (17) and a telescopic pipe (18), the upper end of the mud conveying upper pipe (14) is provided with a mud discharge port, the lower end of the mud conveying upper pipe (14) is connected with the upper end of the mud conveying lower pipe (15), the lower end of the mud conveying lower pipe (15) is connected with the upper end of the adapter pipe (16), the lower end of the adapter pipe (16) is provided with a vertical short pipe, the upper end of the rotating pipe (17) is provided with a connecting pipe, the connecting pipe of the rotating pipe (17) is connected with the vertical short pipe of the adapter pipe (16) in a sealing and rotating manner, the upper end of the telescopic pipe (18) is slidably sleeved with the lower end of the rotating pipe (17), and the lower end of the telescopic pipe (18) is provided with a mud inlet.

4. A water conservancy investigation dredging device according to claim 1, wherein the hydraulic mechanism (4) further comprises a pitching lower plate (19), a pitching cylinder (20), a pitching upper plate (21), an angle modulation cylinder (22), an angle modulation arm plate (23) and a telescopic cylinder (24), the upper end of the pitching lower plate (19) is mounted on the outer side wall of the support frame (11), the lower end of the pitching lower plate (19) is rotatably connected with one end of the pitching cylinder (20), the other end of the pitching cylinder (20) is rotatably connected with one end of the pitching upper plate (21), the other end of the pitching upper plate (21) is fixedly mounted with the rotating shaft (13), one end of the angle modulation cylinder (22) is rotatably connected with the rotating shaft (13), the other end of the angle modulation cylinder (22) is rotatably connected with the angle modulation arm plate (23), the other end of the angle modulation arm plate (23) is fixedly mounted at the upper end of the rotating pipe (17), two ends of the telescopic oil cylinder (24) are respectively connected with the rotating pipe (17) and the telescopic pipe (18).

5. A water conservancy investigation dredging device according to claim 1, wherein the conveying mechanism (5) further comprises a mud conveying motor (25), a mud conveying rod (26), a mud conveying auger (27), an adapter rod (28), a telescopic rod (29), a mud sucking auger (30) and a plurality of bevel gears (31), the mud conveying motor (25) is installed at the upper end of the mud conveying upper pipe (14), the output shaft of the mud conveying motor (25) and the mud conveying rod (26) are concentrically installed, the mud conveying auger (27) is installed on the mud conveying rod (26), the mud conveying rod (26) and the mud conveying auger (27) are rotatably installed inside the mud conveying upper pipe (14) and the mud conveying lower pipe (15), the adapter rod (28) is rotatably installed in a vertical short pipe of the adapter pipe (16) and a connecting pipe of the adapter pipe (17), the fixed end of the telescopic rod (29) is rotatably installed inside the adapter pipe (17), and the movable end of the telescopic rod (29) is rotatably installed inside the telescopic pipe (18), the mud absorbing auger (30) is arranged at the moving end of the telescopic rod (29), the two ends of the adapter rod (28), the lower end of the mud conveying rod (26) and the fixed end of the telescopic rod (29) are respectively provided with a bevel gear (31), and the plurality of bevel gears (31) are meshed in pairs.

6. A water conservancy survey dredging device according to claim 1, wherein the dredging device (6) further comprises two dredging rakes (32), each dredging rake (32) being provided with a plurality of detachable dredging teeth.

7. A water conservancy investigation dredging device according to claim 5, wherein the diameter of the upper mud conveying pipe (14) is smaller than the diameter of the lower mud conveying pipe (15) and the side wall of the upper mud conveying pipe (14) is provided with a plurality of water drainage holes, and the mud conveying auger (27) is matched with the inner diameters of the lower mud conveying pipe (15) and the upper mud conveying pipe (14) to be provided with auger blades with radius.