CN114032987A

CN114032987A - High efficiency hydraulic engineering channel desilting device

Info

Publication number: CN114032987A
Application number: CN202111301054.8A
Authority: CN
Inventors: 郭俊利; 曹杨; 魏广华; 朱皓; 余斌; 王灵鸽; 张燕; 张玉宁
Original assignee: Sichuan Badao Water Conservancy Technology Co ltd; HYDRAULIC SCIENCE RESEARCH INSTITUTE OF SICHUAN PROVINCE
Current assignee: Sichuan Badao Water Conservancy Technology Co ltd; HYDRAULIC SCIENCE RESEARCH INSTITUTE OF SICHUAN PROVINCE
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-02-11

Abstract

The invention relates to the technical field of hydraulic engineering, in particular to a high-efficiency hydraulic engineering channel dredging device which comprises a main body mechanism, wherein an adjusting mechanism is arranged on the main body mechanism in a matched manner; the main body mechanism is connected with a crushing mechanism; the crushing mechanism is provided with a rotating mechanism; the main body mechanism is clamped with a filtering mechanism; a fixing mechanism is arranged on the filtering mechanism; the control switch of the crushing mechanism is opened, so that the crushing mechanism stirs and disperses the sludge when rotating, the main mechanism is convenient to put the sand and the stone into the main mechanism, and the sand and the stone are convenient to push into the filtering mechanism for filtering through the matching of the rotating mechanism, so that the time wasted by manual fishing and silt removal can be effectively avoided, and the silt removing effect can be improved; when the sand and stone are required to be cleaned by an operator, the fixing mechanism is rotated, so that the filtering mechanism is conveniently detached from the main body mechanism, and the filtering effect of the sludge can be effectively improved when the filtering mechanism is conveniently mounted and dismounted by the operator.

Description

High efficiency hydraulic engineering channel desilting device

Technical Field

The invention relates to the technical field of hydraulic engineering, in particular to a high-efficiency hydraulic engineering channel dredging background technology

The water conservancy project is a project constructed for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting. The general river bed of this kind of hydraulic engineering channel is narrower, and the degree of depth of channel is shallower moreover, but, because open-air sand blown by the wind is great, can lead to the deposit of channel bottom a large amount of silt, and the silt that the siltation got up can make the river bed uprise, and the velocity of flow slows down simultaneously, influences the irrigation to need regularly desilting to the channel.

However, the existing agricultural channel dredging usually adopts manual dredging, which requires a long time and consumes more manpower, and is not favorable for improving the working efficiency of operators; when the sludge is accumulated more and compact, the dredging tool used by the operator may not effectively remove the sludge; in addition, operating personnel need pour out gravel and sand repeatedly when using desilting instrument, and operating procedure is loaded down with trivial details, and then is unfavorable for improving the desilting speed of channel.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a high-efficiency dredging device for a hydraulic engineering channel.

The technical scheme adopted by the invention for solving the technical problems is as follows: a high-efficiency dredging device for a hydraulic engineering channel comprises a main body mechanism, wherein an adjusting mechanism is arranged on the main body mechanism in a matched manner; the main body mechanism is connected with a crushing mechanism; the crushing mechanism is provided with a rotating mechanism; the main body mechanism is clamped with a filtering mechanism; and the filtering mechanism is provided with a fixing mechanism.

Specifically, the main part mechanism includes the fixed block, symmetry fixedly connected with mount on the fixed block, be equipped with the dead slot in the fixed block, the cooperation is connected with the mounting panel on the fixed block, just the mounting panel is the slope setting, fixedly connected with shovel piece, a plurality of on the mounting panel be the equidistance setting between the shovel piece.

The adjusting mechanism comprises a sliding plate, a sliding plate is fixedly mounted on the fixed block, the sliding plate is in threaded connection with the screw rod, the screw rod is connected with the fixed plate in a rotating mode, a second motor is mounted on the fixed plate in a matching mode, the output end of the second motor passes through a screw rod fixedly connected with a coupler, symmetrical and fixedly connected with sliders are mounted on the fixed block, sliding connection is formed between the sliders and the sliding rods, fixed connection is formed between the sliding rods and the fixed plate, sliding grooves are formed in the fixed plate, sliding blocks and the sliding plate are matched in the sliding grooves in a sliding mode, a support and a plurality of are fixedly mounted in the fixed plate, and the supports are symmetrically arranged in a two-group mode and are of an L-shaped structure.

Specifically, broken mechanism is including the installation piece, fixedly connected with installation piece on the mount, first motor is installed to the cooperation in the installation piece, the output of first motor passes through shaft coupling fixedly connected with dead lever, just rotate between dead lever and the mount and be connected, fixed mounting has the cutting roller on the dead lever, just rotate between cutting roller and the mount and be connected.

Specifically, slewing mechanism includes the second gear, fixedly connected with second gear on the dead lever, the meshing has the chain on the second gear, the meshing has first gear on the chain, fixedly connected with bull stick on the first gear, rotate between bull stick and the fixed block and be connected, fixedly connected with scraper blade on the bull stick, the dead slot fit rotation has the scraper blade, the cross-sectional diameter of first gear and second gear is the same, just first gear, second gear and chain all are the slope setting.

Specifically, filtering mechanism includes the cardboard, the block is connected with the cardboard on the fixed block, fixed mounting has fixed frame on the cardboard, the cooperation is connected with the filter screen on the fixed frame, be equipped with in the fixed frame and accomodate the groove, the filter screen with accomodate the groove intercommunication.

Specifically, fixed establishment is including supporting the pole, threaded connection has to support the pole on the cardboard, it has to support the piece to support to contradict on the pole, support fixedly connected with kelly on the piece, the pressure spring has been cup jointed on the kelly, support the piece and be connected through pressure spring and fixed block cooperation, fixed mounting has the lug on the kelly, the block is connected between lug and the cardboard, be equipped with the draw-in groove on the fixed block, support the pole and all be the inclined plane structure with the tip of supporting the piece, just the cross-sectional width who supports the piece is greater than the cross-sectional diameter of pressure spring, sliding connection between kelly and the fixed block.

The invention has the beneficial effects that:

(1) according to the high-efficiency hydraulic engineering channel dredging device, before an operator needs to use the dredging device, the device can be fixed, then the control switch of the adjusting mechanism is turned on, so that the placing height of the device can be conveniently adjusted according to the depth of a channel, the height of the main mechanism can be conveniently adjusted, and meanwhile, the using effect of the device can be improved, namely: before the operating personnel uses, can be fixed the mount on the car or on the removal instrument, then can open the control switch of second motor, and then make the second motor drive the screw rod and rotate, threaded connection has the slide on the screw rod, when the screw rod rotates, the spout position that the slide was equipped with in the fixed plate slides, and then make the fixed block drive two sliders and slide along the slide bar, and then be convenient for slide and slider drive the fixed block and slide, and then be convenient for highly adjust the fixed block setting, thereby be convenient for the desilting device to adjust the height of fixed block according to the degree of depth of channel, be favorable to improving the availability factor of device to a certain extent.

(2) When the high-efficiency dredging device for the hydraulic engineering channel is used, the control switch of the crushing mechanism is turned on, so that the crushing mechanism can stir up sludge during rotation, sand and stones in the sludge can be conveniently collected into the main mechanism by the main mechanism, the sand and stones can be conveniently pushed into the filtering mechanism for filtering through the matching of the rotating mechanism, the time wasted by manual fishing and dredging can be effectively avoided, and the dredging effect can be improved, namely: after the height of the fixed block is adjusted, an operator can turn on a control switch of the first motor when in use, the control switch is electrically connected with the first motor, when the operator turns on the control switch of the first motor, the fixed rod drives the cutting roller to rotate, when the cutting roller rotates, the compact silt at the bottom end of the channel is stirred up, and further when the fixed block slides in the channel along with the moving tool, the shoveling block on the mounting plate shovels the silt into the empty groove, the fixed rod drives the second gear to rotate when rotating, further the chain drives the first gear to rotate, further the first gear drives the rotating rod to rotate, the rotating rod drives the scraper to rotate when rotating, further the scraper is convenient to scrape the silt into the fixed frame, and because the filter screen is arranged in the fixed frame, when the silt enters the fixed frame, the filter screen can filter the gravel contained in the silt, and further the silt in the channel is convenient to clean, thereby being beneficial to improving the service efficiency of the dredging device.

(3) According to the high-efficiency hydraulic engineering channel dredging device, sand and stones stored in the filtering mechanism can be conveniently removed from the main body mechanism by rotating the fixing mechanism when an operator needs to clean the channel, so that the filtering effect of sludge can be effectively improved while the operator can conveniently install and detach the filtering mechanism, namely: when an operator needs to clean the filtered sand, the operator can take the fixed block out of the channel, then the tool is used for rotating the supporting rod, the end part of the supporting rod is inclined and is abutted to the supporting block, when the supporting rod rotates, the supporting rod rotates towards the direction close to the clamping plate, the supporting block also slides, and further the pressure spring is stretched in a compressed state, the supporting block drives the clamping rod to slide when sliding, so that the clamping rod drives the lug to slide, the lug is clamped into the clamping groove when sliding out of the clamping plate, when the supporting rod is taken out of the clamping plate, the clamping plate can be taken down from the fixed block by the operator, and further the clamping plate can clean the sand stored in the fixed frame conveniently, thereby being beneficial to reducing the step that the operator needs to pour out the sand repeatedly when manually cleaning the sand, and being beneficial to improving the using effect of the cleaning device to a certain extent.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall structure diagram of a preferred embodiment of a high-efficiency hydraulic engineering channel dredging device provided by the invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic view of a connection structure between the fixing block and the slide plate shown in FIG. 1;

FIG. 4 is an enlarged view of the structure of the portion B shown in FIG. 3;

FIG. 5 is a schematic view of a connection structure between the fixing block and the clamping plate shown in FIG. 1;

FIG. 6 is an enlarged view of the structure of the portion C shown in FIG. 5;

FIG. 7 is an enlarged view of the structure of the portion D shown in FIG. 5;

FIG. 8 is a schematic view of a connection structure of the fixing block and the rotary rod shown in FIG. 1;

FIG. 9 is an enlarged view of the structure of the section E shown in FIG. 8;

FIG. 10 is a schematic view of the connection structure of the fixing frame and the fixing rod shown in FIG. 1;

fig. 11 is an enlarged view of the structure of the portion F shown in fig. 10.

In the figure: 1. the device comprises a main body mechanism, 11, a fixing block, 12, a fixing frame, 13, a hollow groove, 14, a mounting plate, 15, a shovel block, 2, a crushing mechanism, 21, a mounting block, 22, a cutting roller, 23, a fixing rod, 24, a first motor, 3, a rotating mechanism, 31, a rotating rod, 32, a scraping plate, 33, a first gear, 34, a chain, 35, a second gear, 4, an adjusting mechanism, 41, a support, 42, a fixing plate, 43, a second motor, 44, a sliding groove, 45, a sliding rod, 46, a sliding block, 47, a screw rod, 48, a sliding plate, 5, a fixing mechanism, 51, a resisting rod, 52, a resisting block, 53, a clamping rod, 54, a pressure spring, 55, a clamping groove, 56, a convex block, 6, a filtering mechanism, 61, a clamping plate, 62, a fixing frame, 63, a filter screen, 64 and a storage groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-11, the high-efficiency dredging device for the hydraulic engineering channel comprises a main body mechanism 1, wherein an adjusting mechanism 4 is arranged on the main body mechanism 1 in a matching manner; the main body mechanism 1 is connected with a crushing mechanism 2; the crushing mechanism 2 is provided with a rotating mechanism 3; a filtering mechanism 6 is clamped on the main body mechanism 1; and the filtering mechanism 6 is provided with a fixing mechanism 5.

Specifically, main part mechanism 1 includes fixed block 11, symmetry fixedly connected with mount 12 on the fixed block 11, be equipped with dead slot 13 in the fixed block 11, the cooperation is connected with mounting panel 14 on the fixed block 11, just mounting panel 14 is the slope setting, fixedly connected with shovel piece 15, a plurality of is the equidistance setting between the shovel piece 15.

Specifically, the adjusting mechanism 4 includes a sliding plate 48, a sliding plate 48 is fixedly mounted on the fixed block 11, the sliding plate 48 is in threaded connection with a screw rod 47, the screw rod 47 is rotatably connected with the fixed plate 42, the fixed plate 42 is provided with a second motor 43 in a matching manner, an output end of the second motor 43 is fixedly connected with the screw rod 47 through a coupler, the fixed block 11 is provided with symmetrical and fixedly connected with sliding blocks 46, the sliding blocks 46 are in sliding connection with sliding rods 45, the sliding rods 45 are fixedly connected with the fixed plate 42, a sliding groove 44 is arranged in the fixed plate 42, the sliding blocks 46 and the sliding plate 48 are arranged in the sliding groove 44 in a matching manner, a plurality of brackets 41 are fixedly mounted in the fixed plate 42, two groups of the brackets 41 are symmetrically arranged, the brackets 41 are in an L-shaped structure, and an operator can fix the device before needing to use the desilting device, then the control switch of the adjusting mechanism 4 is turned on, so that the placing height of the device can be conveniently adjusted according to the depth of the channel, and the using effect of the device can be improved while the height of the main body mechanism 1 is conveniently adjusted, namely: before the operating personnel uses, can be with mount 12 fixed on the car or on the removal instrument, then can open the control switch of second motor 43, and then make second motor 43 drive screw rod 47 and rotate, threaded connection has slide 48 on the screw rod 47, when screw rod 47 rotates, slide 48 slides at the spout 44 position that is equipped with in fixed plate 42, and then make fixed block 11 drive two sliders 46 and slide along slide bar 45, and then slide 48 and slider 46 of being convenient for drive fixed block 11 and slide, and then be convenient for adjust the height that fixed block 11 set up, thereby be convenient for the desilting device to adjust the height of fixed block 11 according to the degree of depth of channel, be favorable to improving the availability factor of device to a certain extent.

Specifically, crushing mechanism 2 is including installation piece 21, fixedly connected with installation piece 21 on mount 12, first motor 24 is installed to installation piece 21 fit in, shaft coupling fixedly connected with dead lever 23 is passed through to first motor 24's output, just rotate between dead lever 23 and the mount 12 and be connected, fixed mounting has cutting roller 22 on the dead lever 23, just rotate between cutting roller 22 and the mount 12 and be connected.

Specifically, the rotating mechanism 3 includes a second gear 35, a second gear 35 is fixedly connected to the fixed rod 23, a chain 34 is engaged with the second gear 35, a first gear 33 is engaged with the chain 34, a rotating rod 31 is fixedly connected to the first gear 33, the rotating rod 31 is rotatably connected to the fixed block 11, a scraper 32 is fixedly connected to the rotating rod 31, the scraper 32 is rotatably fitted in the hollow groove 13, the first gear 33 and the second gear 35 have the same cross-sectional diameter, the first gear 33, the second gear 35 and the chain 34 are all inclined, when in use, the control switch of the crushing mechanism 2 is turned on to stir the sludge during rotation, so that the main mechanism can conveniently take the sand in the sludge into the main mechanism, and through the cooperation of the rotating mechanism 3, the sand can be conveniently pushed into the filtering mechanism 6 for filtering, thereby also can improve the effect of desilting when effectively avoiding artifical salvage to remove the extravagant time of silt, promptly: after the height of the fixed block 11 is adjusted, when the operator uses the fixed block, the control switch of the first motor 24 can be turned on, the control switch is electrically connected with the first motor 24, when the operator turns on the control switch of the first motor 24, the fixed rod 23 drives the cutting roller 22 to rotate, when the cutting roller 22 rotates, the compact silt at the bottom end of the channel can be scattered, and further when the fixed block 11 slides in the channel along with the moving tool, the shovel block 15 on the mounting plate 14 shovels the silt into the empty groove 13, the fixed rod 23 drives the second gear 35 to rotate when rotating, so that the chain 34 drives the first gear 33 to rotate, so that the first gear 33 drives the rotating rod 31 to rotate, the rotating rod 31 drives the scraper 32 to rotate when rotating, so that the scraper 32 scrapes the silt into the fixed frame 62, because the filter screen 63 is installed in the fixed frame 62, when the silt enters the fixed frame 62, the filter screen 63 can filter the silt contained in the silt, and then be convenient for clear up the silt in the channel to be favorable to improving the availability factor of sediment removal device.

Specifically, filtering mechanism 6 includes cardboard 61, the block is connected with cardboard 61 on the fixed block 11, fixed frame 62 of fixed mounting on the cardboard 61, the cooperation is connected with filter screen 63 on the fixed frame 62, be equipped with in the fixed frame 62 and accomodate groove 64, filter screen 63 and accomodate groove 64 intercommunication.

Specifically, the fixing mechanism 5 includes a resisting rod 51, the clamping plate 61 is in threaded connection with the resisting rod 51, the resisting rod 51 is abutted with a resisting block 52, the resisting block 52 is fixedly connected with a clamping rod 53, the clamping rod 53 is sleeved with a pressure spring 54, the resisting block 52 is in fit connection with the fixing block 11 through the pressure spring 54, a convex block 56 is fixedly mounted on the clamping rod 53, the convex block 56 is in snap connection with the clamping plate 61, a clamping groove 55 is formed in the fixing block 11, the end portions of the resisting rod 51 and the resisting block 52 are both in an inclined-plane structure, the cross-sectional width of the resisting block 52 is larger than the cross-sectional diameter of the pressure spring 54, the clamping rod 53 is in sliding connection with the fixing block 11, sand and stones stored in the filtering mechanism 6 can be conveniently removed from the main body mechanism 1 by rotating the fixing mechanism 5 when the operator needs to clean the filtering mechanism 6, and the passing of sludge can be effectively improved when the operator installs and detaches the filtering mechanism 6 The filtering effect is as follows: when the operator needs to clean the filtered gravel and sand, the operator can first take the fixing block 11 out of the channel, then use the tool to rotate the retaining rod 51, because the end of the resisting rod 51 is disposed in an inclined plane and is abutted against the resisting block 52, when the resisting rod 51 rotates, and the resisting rod 51 rotates toward the direction close to the clamping plate 61, the resisting block 52 also slides, thereby the pressure spring 54 is stretched under the compressed state, the block 52 drives the clamping rod 53 to slide when sliding, so that the locking rod 53 drives the protrusion 56 to slide, the protrusion 56 slides out of the locking plate 61 and is locked in the locking slot 55, when the holding bar 51 is taken out from the inside of the chucking plate 61, the operator can take the chucking plate 61 off the fixing block 11, and then the gravel and sand that is convenient for cardboard 61 to deposit in with fixed frame 62 clears up out to operating personnel need repeated gravel and sand's step of pouring out when being favorable to reducing artifical desilting, is favorable to improving the result of use of desilting device to a certain extent.

When the desilting device is used, firstly, before an operator uses the desilting device, the fixed frame 12 can be fixed on a vehicle or a moving tool, then a control switch of the second motor 43 can be turned on, so that the second motor 43 drives the screw rod 47 to rotate, the screw rod 47 is in threaded connection with the sliding plate 48, when the screw rod 47 rotates, the sliding plate 48 slides at the position of the sliding groove 44 arranged in the fixed plate 42, so that the fixed block 11 drives the two sliding blocks 46 to slide along the sliding rod 45, the sliding plate 48 and the sliding blocks 46 drive the fixed block 11 to slide, and the height of the fixed block 11 is convenient to adjust, so that the height of the fixed block 11 can be conveniently adjusted by the desilting device according to the depth of a channel, and the use efficiency of the device can be improved to a certain extent; after the height of the fixed block 11 is adjusted, when the operator uses the fixed block, the control switch of the first motor 24 can be turned on, the control switch is electrically connected with the first motor 24, when the operator turns on the control switch of the first motor 24, the fixed rod 23 drives the cutting roller 22 to rotate, when the cutting roller 22 rotates, the compact silt at the bottom end of the channel can be scattered, and further when the fixed block 11 slides in the channel along with the moving tool, the shovel block 15 on the mounting plate 14 shovels the silt into the empty groove 13, the fixed rod 23 drives the second gear 35 to rotate when rotating, so that the chain 34 drives the first gear 33 to rotate, so that the first gear 33 drives the rotating rod 31 to rotate, the rotating rod 31 drives the scraper 32 to rotate when rotating, so that the scraper 32 scrapes the silt into the fixed frame 62, because the filter screen 63 is installed in the fixed frame 62, when the silt enters the fixed frame 62, the filter screen 63 can filter the silt contained in the silt, thereby being convenient for cleaning the silt in the channel and being beneficial to improving the use efficiency of the dredging device; when the operator needs to clean the filtered gravel and sand, the operator can first take the fixing block 11 out of the channel, then use the tool to rotate the retaining rod 51, because the end of the resisting rod 51 is disposed in an inclined plane and is abutted against the resisting block 52, when the resisting rod 51 rotates, and the resisting rod 51 rotates toward the direction close to the clamping plate 61, the resisting block 52 also slides, thereby the pressure spring 54 is stretched under the compressed state, the block 52 drives the clamping rod 53 to slide when sliding, so that the locking rod 53 drives the protrusion 56 to slide, the protrusion 56 slides out of the locking plate 61 and is locked in the locking slot 55, when the holding bar 51 is taken out from the inside of the chucking plate 61, the operator can take the chucking plate 61 off the fixing block 11, and then the gravel and sand that is convenient for cardboard 61 to deposit in with fixed frame 62 clears up out to operating personnel need repeated gravel and sand's step of pouring out when being favorable to reducing artifical desilting, is favorable to improving the result of use of desilting device to a certain extent.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high-efficiency dredging device for a hydraulic engineering channel is characterized by comprising a main body mechanism (1), wherein an adjusting mechanism (4) is arranged on the main body mechanism (1) in a matching manner; the main body mechanism (1) is connected with a crushing mechanism (2); the crushing mechanism (2) is provided with a rotating mechanism (3); a filtering mechanism (6) is clamped on the main body mechanism (1); and a fixing mechanism (5) is arranged on the filtering mechanism (6).

2. The high efficiency hydraulic engineering channel dredging device of claim 1, wherein: main part mechanism (1) includes fixed block (11), symmetry fixedly connected with mount (12) on fixed block (11), be equipped with dead slot (13) in fixed block (11), the cooperation is connected with mounting panel (14) on fixed block (11), just mounting panel (14) are the slope setting, fixedly connected with shovel piece (15), a plurality of is shoveled and is the equidistance setting between piece (15) on mounting panel (14).

3. The high efficiency hydraulic engineering channel dredging device of claim 2, wherein: adjustment mechanism (4) include slide (48), fixed mounting has slide (48) on fixed block (11), threaded connection between slide (48) and screw rod (47), rotate between screw rod (47) and fixed plate (42) and be connected, second motor (43) are installed in the cooperation on fixed plate (42), the output of second motor (43) (through shaft coupling) fixedly connected with screw rod (47), symmetrical fixedly connected with slider (46) is gone up in fixed block (11), sliding connection between slider (46) and slide bar (45), fixed connection between slide bar (45) and fixed plate (42), be equipped with spout (44) in fixed plate (42), spout (44) fit sliding has slider (46) and slide (48).

4. A high efficiency hydraulic engineering channel dredging device according to claim 3, characterized in that: the fixing plate (42) is internally and fixedly provided with a plurality of brackets (41), every two brackets (41) are symmetrically arranged, and the brackets (41) are L-shaped structures.

5. The high efficiency hydraulic engineering channel dredging device of claim 2, wherein: broken mechanism (2) are including installation piece (21), fixedly connected with installation piece (21) is gone up in mount (12), first motor (24) are installed to installation piece (21) fit in, the output of first motor (24) (through shaft coupling) fixedly connected with dead lever (23), just rotate between dead lever (23) and mount (12) and be connected, fixed mounting has cutting roller (22) on dead lever (23), just rotate between cutting roller (22) and mount (12) and be connected.

6. The high efficiency hydraulic engineering channel dredging device of claim 5, wherein: slewing mechanism (3) include second gear (35), fixedly connected with second gear (35) are gone up in dead lever (23), the meshing has chain (34) on second gear (35), the meshing has first gear (33) on chain (34), fixedly connected with bull stick (31) is gone up in first gear (33), rotate between bull stick (31) and fixed block (11) and be connected, fixedly connected with scraper blade (32) are gone up in bull stick (31), dead slot (13) fit in rotates there is scraper blade (32).

7. The high efficiency hydraulic engineering channel dredging device of claim 6, wherein: the diameters of the cross sections of the first gear (33) and the second gear (35) are the same, and the first gear (33), the second gear (35) and the chain (34) are all arranged in an inclined mode.

8. The high efficiency hydraulic engineering channel dredging device of claim 2, wherein: filtering mechanism (6) include cardboard (61), the block is connected with cardboard (61) on fixed block (11), fixed mounting has fixed frame (62) on cardboard (61), the cooperation is connected with filter screen (63) on fixed frame (62), be equipped with in fixed frame (62) and accomodate groove (64), filter screen (63) and accomodate groove (64) intercommunication.

9. The high efficiency hydraulic engineering channel dredging device of claim 8, wherein: the fixing mechanism (5) comprises a supporting rod (51), the clamping plate (61) is connected with the supporting rod (51) in a threaded mode, the supporting rod (51) is abutted with a supporting block (52), the supporting block (52) is fixedly connected with a clamping rod (53), the clamping rod (53) is sleeved with a pressure spring (54), the supporting block (52) is connected with the fixing block (11) in a matched mode through the pressure spring (54), the clamping rod (53) is fixedly provided with a convex block (56), the convex block (56) is connected with the clamping plate (61) in a clamped mode, and the fixing block (11) is provided with a clamping groove (55).

10. The high efficiency hydraulic engineering channel dredging device of claim 9, wherein: the end parts of the abutting rod (51) and the abutting block (52) are both in an inclined surface structure, the width of the section of the abutting block (52) is larger than the diameter of the section of the pressure spring (54), and the clamping rod (53) is in sliding connection with the fixed block (11).