CN113981932A

CN113981932A - Water surface aquatic plant and garbage cleaning device for hydraulic engineering

Info

Publication number: CN113981932A
Application number: CN202111516766.1A
Authority: CN
Inventors: 秦乾赫; 朱纪伟; 林彦东; 李文秀; 邹开宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-01-28

Abstract

The application relates to the technical field of water surface cleaning for hydraulic engineering, in particular to a water surface aquatic plant and garbage cleaning device for hydraulic engineering, which comprises gate piers and gates, wherein the side edges of the gates are arranged by being attached to the gate piers, the upper parts of the gates are provided with cleaning assemblies, each cleaning assembly comprises a rotating shaft and cleaning teeth, the rotating shafts are arranged in parallel to the gates and are connected with driving assemblies for driving the rotating shafts to rotate, a plurality of cleaning teeth are arranged along the length direction of the rotating shafts, the rotating shafts are arranged on one side of the back surface of the gates, a plurality of vertical comb teeth are formed on the upper parts of the gates, abdicating grooves are formed among the comb teeth, the cleaning teeth correspond to the abdicating grooves one by one to one, when the cleaning teeth rotate, the cleaning teeth enter one side of the water surface of the gates from the abdicating grooves, and the distance between the end parts of the cleaning teeth and the centers of the rotating shafts is greater than the distance between the upper ends of the comb teeth and the centers of the rotating shafts; one side of the back surface of the gate is provided with a slag receiving groove. This application has the effect that improves pasture and water and garbage collection efficiency on the surface of water.

Description

Water surface aquatic plant and garbage cleaning device for hydraulic engineering

Technical Field

The application relates to a technical field of surface of water clearance for hydraulic engineering, especially relate to a surface of water pasture and water and rubbish cleaning device for hydraulic engineering.

Background

The aquatic weeds grow in the river channel due to eutrophication of the water body, meanwhile, floating household garbage exists in the water body, and the aquatic weeds and the garbage float on the water surface, so that the water quality is influenced on one hand, and the hydraulic engineering is damaged on the other hand; therefore, the aquatic weeds and the garbage on the water surface need to be salvaged and cleaned.

The patent document with the publication number of CN210151672U discloses a water conservancy gate system, which comprises gate piers and a gate, wherein the gate is vertically arranged between the two gate piers, two ends of the gate are respectively connected with the inner sides, which are relatively close to the two gate piers, in a sliding manner, and the gate is connected with an opening and closing device for driving the gate to slide up and down along the two gate piers; a supporting piece is arranged at the upper part of the gate, and a filter net bag is detachably connected to the supporting piece; the filter net bag is at least open to the upstream surface; the upper end of the filter net bag protrudes to the upper part of the gate. When rivers flowed through from the position of gate, rivers take rubbish and pasture and water can enter into the filtration string bag from the open position of filtration string bag in, after more rubbish is collected to the filtration string bag, dismantle from support piece again and clear up.

However, in the above structure, the inventor thinks that the aquatic weeds and the garbage on the water surface are in a flat state, so that the aquatic weeds which can enter the filter net bag at one time have less garbage, and the collection efficiency is low.

Disclosure of Invention

In order to improve the collection efficiency to the pasture and water and rubbish on the surface of water, this application provides a surface of water pasture and rubbish cleaning device for hydraulic engineering.

The application provides a surface of water pasture and water and rubbish cleaning device for hydraulic engineering adopts following technical scheme:

a cleaning device for aquatic plants and garbage on water surface for hydraulic engineering comprises gate piers and gates, wherein the side edges of the gates are arranged to be attached to the gate piers, cleaning assemblies are mounted on the upper portions of the gates and comprise rotating shafts and cleaning teeth, the rotating shafts are parallel to the gate arrangement, driving assemblies for driving the rotating shafts to rotate are connected to the rotating shafts, a plurality of cleaning teeth are arranged along the length direction of the rotating shafts, the rotating shafts are arranged on one sides of the back surfaces of the gates, a plurality of vertical comb teeth are formed on the upper portions of the gates, abdicating grooves are formed among the comb teeth, the cleaning teeth correspond to the abdicating grooves one to one, when the cleaning teeth rotate, the cleaning teeth enter one sides of the front surfaces of the gates from the abdicating grooves, and the distance between the end portions of the cleaning teeth and the center of the rotating shafts is larger than the distance between the upper ends of the comb teeth and the center of the rotating shafts; one side of the gate back surface is provided with a slag receiving groove which is positioned below the rotating shaft.

Through adopting above-mentioned technical scheme, during the use, the clearance subassembly work of the upper portion installation of gate, the pivot is rotated under the effect of drive assembly, epaxial clearance tooth rotates along with the pivot, the groove of stepping down that is located on the gate makes the clearance tooth can enter into the one side of the upstream face of gate, when the clearance tooth resumes to rotate, the clearance tooth can drive pasture and water or rubbish upward movement on the surface of water, and cross the gate from the upper portion of gate and enter into the sediment inslot that connects of gate dorsal surface, and then can transport pasture and water and rubbish on the surface of water under the continuous operation of pivot and connect the sediment inslot, the collection efficiency to pasture and water and rubbish on the surface of water is improved.

Preferably, one end of the cleaning tooth, which is far away from the rotating shaft, is arranged into an arc shape, and when the cleaning tooth rotates to one side of the upstream surface of the gate, the cleaning tooth is bent upwards in the arc shape.

Through adopting above-mentioned technical scheme, the clearance tooth is the arc of kickup, and then is located pasture and water and rubbish on the clearance tooth and is difficult to drop at clearance tooth pivoted in-process.

Preferably, the upper portion of one side of the upstream face of the gate is provided with a cutting assembly, the cutting assembly comprises an upper plate body and a cutter, the upper plate body is connected with a driving hydraulic cylinder for driving the upper plate body to vertically move, and the cutter is installed on the lower portion of the upper plate body.

Through adopting above-mentioned technical scheme, the upper plate body can vertical removal under drive hydraulic cylinder's effect, and when drive hydraulic cylinder moves down, the cutter can cut off longer rubbish and pasture and water on being located the clearance tooth, reduces the excessive gate that is difficult to surmount of dragging of pasture and water or rubbish.

Preferably, a lower plate body is arranged below the upper plate body, the lower plate body is vertically connected to the gate in a sliding manner, and the upper side edge of the lower plate body is used for supporting the lower part of the cleaning teeth; and the lower plate body is in threaded connection with a screw rod used for driving the lower plate body to vertically move.

Through adopting above-mentioned technical scheme, descend plate body sliding connection on the gate and along with the ascending and upward removal of clearance tooth, and then can make plate body down support the clearance tooth, reduce the clearance tooth and take place the rupture because of the atress, descend the plate body to move up simultaneously and can reduce the water that gate upstream face one side and flow away to downstream fast.

Preferably, when the lower plate body moves to the position where the cleaning teeth and the upper plate body are staggered, the cutter is matched with the lower plate body for cutting.

Through adopting above-mentioned technical scheme, the plate body upwards removes down to when the plate body upwards reachs higher position down, the upward plate body downwards removes, goes up the plate body and clears up the dislocation of tooth, makes the cutter on the plate body can cut with the cooperation of the plate body down, and the cutter is pasting the clearance tooth with the position that the plate body cuts off pasture and water and rubbish down simultaneously, reduces pasture and water card and is stuck between last plate body and gate.

Preferably, the upper plate body and the lower plate body are attached to the upstream face of the gate in the direction of one face of the gate, and the heights of the upper plate body and the lower plate body are larger than those of the comb teeth.

Through adopting above-mentioned technical scheme, go up the plate body and all laminate in the gate setting with lower plate body, make go up the plate body and can reduce the water yield that the groove of stepping down passed through at the in-process that removes with lower plate body, go up the plate body simultaneously and can keep the water transfer effect of gate when putting the below.

Preferably, the slag receiving groove comprises a middle arc groove and two inclined plates, the two inclined plates are respectively arranged on two sides of the middle arc groove, a plurality of water leakage holes are formed in the slag receiving groove, and one inclined plate on the slag receiving groove is connected to one side of the back water surface of the gate.

Through adopting above-mentioned technical scheme, set up two swash plates on the middle arc groove, conveniently enter into and connect pasture and water and rubbish in the sediment inslot can enter into middle arc inslot, and the hole that leaks can make and enter into and connect the water in the sediment inslot to filter.

Preferably, the middle arc groove is internally provided with a material conveying assembly, the material conveying assembly comprises a conveying shaft and a spiral conveying blade, the spiral conveying blade is coaxially fixed on the conveying shaft, the spiral conveying blade is matched with the middle arc groove, and the conveying shaft is in transmission connection with the rotating shaft.

Through adopting above-mentioned technical scheme, carry the axle to be connected with the pivot transmission to carry the axle to rotate with the pivot simultaneously, carry epaxial helical conveying blade can carry the pasture and water and rubbish that enter into in the middle arc groove with middle arc groove cooperation.

Preferably, the driving assembly comprises a driving motor and a worm and gear reducer, the driving motor is fixed on the gate pier, an output shaft of the driving motor is coaxially fixed with an input shaft of the worm and gear reducer, and an output shaft of the worm and gear reducer is coaxially fixed with the rotating shaft.

Through adopting above-mentioned technical scheme, driving motor drives the worm gear reduction gear, and the worm gear reduction gear drives the pivot and rotates to improve the rotation moment of torsion of pivot, make the pivot can drive and carry the axle to rotate.

Preferably, the rotating shaft and the conveying shaft are both provided with a chain wheel, and the two chain wheels are in transmission connection through a chain.

Through adopting above-mentioned technical scheme, pivot and carry epaxial equal installation sprocket, pass through driving motor when the pivot rotates, epaxial sprocket rotates along with the pivot, and then another sprocket is driven to the rethread chain to the messenger carries the axle to rotate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cleaning teeth on the rotating shaft rotate along with the rotating shaft, the receding groove on the gate enables the cleaning teeth to enter one side of the upstream surface of the gate, the cleaning teeth can drive aquatic weeds or garbage on the water surface to move upwards and cross the gate from the upper part of the gate to enter the slag receiving groove on the back surface of the gate, and then the aquatic weeds and garbage on the water surface can be conveyed into the slag receiving groove under the continuous work of the rotating shaft, so that the collection efficiency of the aquatic weeds and garbage on the water surface is improved;

2. the upper plate body can vertically move under the action of the driving hydraulic cylinder, and when the driving hydraulic cylinder moves downwards, the cutter can cut off longer garbage and aquatic weeds on the cleaning teeth, so that the situation that the aquatic weeds or garbage is excessively dragged and is difficult to cross the gate is reduced;

3. the upper plate body and the lower plate body are attached to the gate, so that the water quantity passing through the abdicating groove can be reduced in the moving process of the upper plate body and the lower plate body.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of a portion of an embodiment of the present application;

FIG. 3 is a schematic structural diagram of the position of a cleaning tooth in the embodiment of the present application;

FIG. 4 is a schematic view of the mounting structure of the severing assembly in an embodiment of the application;

fig. 5 is a schematic view of the mounting structure of the feeding module in the embodiment of the present application.

Description of reference numerals: 1. a gate pier; 2. a gate; 21. a yielding groove; 22. comb teeth; 23. connecting lugs; 24. a guide groove; 3. cleaning the assembly; 31. a rotating shaft; 32. cleaning the plate; 33. cleaning teeth; 4. an opening and closing assembly; 5. a drive assembly; 51. a drive motor; 52. a worm gear reducer; 6. a slag receiving groove; 61. a middle arc groove; 62. a sloping plate; 63. a water leakage hole; 7. cutting off the assembly; 71. an upper plate body; 72. a lower plate body; 73. a cutter; 74. a guide strip; 75. driving the hydraulic cylinder; 76. a screw; 77. an electric motor; 8. a material conveying component; 81. a delivery shaft; 82. a screw conveying blade; 83. a conveyor belt; 84. a sprocket; 85. and a chain.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses surface of water pasture and water and rubbish cleaning device for hydraulic engineering, refer to fig. 1, including gate pier 1 and gate 2, gate pier 1 sets up two at least, and gate 2 is located the position between two gate piers 1 to the both sides limit of gate 2 is pasted with the lateral wall of a gate pier 1 respectively, makes between gate 2 and the gate pier 1 sealed. The upper portion of gate 2 is provided with clearance subassembly 3, and clearance subassembly 3 can clear up the pasture and water that gate 2 upper portion blockked.

Referring to fig. 2, the cleaning assembly 3 includes a rotating shaft 31, a cleaning plate 32 and a cleaning tooth 33, the rotating shaft 31 is disposed parallel to the gate 2, two ends of the rotating shaft 31 are rotatably connected to the gate pier 1, one side of the cleaning plate 32 is fixed on a side wall of the rotating shaft 31, the cleaning tooth 33 extends along the direction of the cleaning plate 32 away from the central line of the rotating shaft 31, and one end of the cleaning tooth 33 is fixed on the cleaning plate 32. Offer the groove of stepping down 21 on the upper portion of gate 2, the groove of stepping down 21 is the U-shaped of opening upwards, clearance tooth 33 has a plurality ofly and along the length direction evenly distributed of pivot 31 on clearance board 32, the groove of stepping down 21 has evenly seted up a plurality ofly, form broach 22 between two grooves of stepping down 21, and clearance tooth 33 and the groove of stepping down 21 one-to-one, broach 22 corresponds with the space between two clearance teeth 33, distance between two broach 22 equals the distance between two clearance teeth 33. The rotating shaft 31 is located on one side of the backwater side of the gate 2, and when the cleaning teeth 33 rotate along with the rotating shaft 31, the cleaning teeth 33 can enter the abdicating groove 21, so that one end, far away from the center of the rotating shaft 31, of the cleaning teeth 33 reaches the side, facing the water, of the gate 2 through the abdicating groove 21. Meanwhile, the vertical distance between the center line of the rotating shaft 31 and the upper ends of the comb teeth 22 is less than half of the height of the comb teeth 22, and the farthest distance between the upper ends of the comb teeth 22 and the center of the rotating shaft 31 is less than the farthest distance between the cleaning teeth 33 and the center of the rotating shaft 31; the clearing tooth 33 can then carry the aquatic weeds and waste that are on the water surface on the upstream side of the gate 2 up over the gate 2.

Referring to fig. 2 and 3, a plurality of coupling lugs 23 are fixedly arranged on the gate 2, and the middle part of the rotating shaft 31 penetrates through the coupling lugs 23 and is rotatably connected with the coupling lugs 23. Be provided with in the lower part of gate 2 and open and close subassembly 4, open and close subassembly 4 and select for use the pneumatic cylinder, the one end of opening and close subassembly 4 is rotated and is connected on gate pier 1, and the other end rotates and connects on gate 2, drives gate 2 through opening and close subassembly 4 and rotates round pivot 31, makes the lower part of gate 2 upwards open, and then when gate 2 need be drained, gate 2 accessible lower part is crossed water, reduces pasture and water and rubbish on the surface of water and flows downstream. The rotating shaft 31 is connected with a driving assembly 5, and the driving assembly 5 comprises a driving motor 51 and a worm gear reducer 52; the driving motor 51 is fixed in the gate pier 1, the output shaft of the driving motor 51 is coaxially fixed on the input shaft of the worm and gear reducer 52, the output shaft of the worm and gear reducer 52 is coaxially and fixedly connected with the rotating shaft 31, and then when the driving motor 51 works, the driving motor 51 drives the rotating shaft 31 to rotate through the worm and gear reducer 52, so that the cleaning plate 32 on the rotating shaft 31 rotates, and then the cleaning teeth 33 move aquatic plants and garbage on the upstream surface of the gate 2 to one side of the downstream surface of the gate 2 through rotation. The end of the cleaning tooth 33 far away from the cleaning plate 32 is arranged in an arc shape, and when the cleaning tooth 33 rotates to the side of the gate 2 facing the water, the cleaning tooth 33 is in a hook shape which is bent upwards, so that the aquatic weeds and the garbage on the cleaning tooth 33 are not easy to fall off from the cleaning tooth 33.

Referring to fig. 2 and 4, a slag receiving groove 6 is arranged on one side of the back surface of the gate 2, and the slag receiving groove 6 is arranged below the rotating shaft 31, so that the cleaning teeth 33 can drive the aquatic plants and the garbage to cross the gate 2 and then the aquatic plants and the garbage can fall into the slag receiving groove 6 from top to bottom when the rotation is continued. Be provided with in the one side of gate 2 upstream face and cut off subassembly 7, cut off subassembly 7 and be arranged in cutting off longer partly in pasture and water and rubbish, avoid causing the atress too big because of leading to the fact too much, arouse the damage of clearance subassembly 3, perhaps can't cross gate 2. The cutting assembly 7 comprises an upper plate body 71, a lower plate body 72 and a cutter 73, a guide groove 24 is formed in the gate 2, the guide groove 24 is vertically arranged, the cross section of the guide groove 24 is in a dovetail shape, guide strips 74 are fixedly arranged on the upper plate body 71 and the lower plate body 72, and the guide strips 74 are in sliding fit in the guide groove 24. At least two guide grooves 24 are provided in one shutter 2; the guide strips 74 on the upper plate body 71 and the lower plate body 72 are connected in the guide groove 24, the upper plate body 71 is located above the lower plate body 72, the upper plate body 71 and the lower plate body 72 are arranged parallel to the gate 2, the upper plate body 71 and the lower plate body 72 are located on the side of the gate 2 facing the water, and the side of the upper plate body 71 and the lower plate body 72 facing the gate 2 is attached to the gate 2.

Referring to fig. 4, the cutter 73 is detachably connected to the upper plate 71 by bolts, the cutter 73 is located on a side of the upper plate 71 opposite to the gate 2, a cutting edge of the cutter 73 faces downward and cooperates with the lower plate 72 to cut off aquatic weeds or garbage located between the cutter 73 and the lower plate 72, and the cutting edge of the cutter 73 is inclined upward from the middle of the cutter 73 to the end of the cutter 73, so that the cutter 73 is easier to cut off. A driving hydraulic cylinder 75 is connected to the upper plate body 71, the driving hydraulic cylinder 75 is vertically installed in the gate 2, the upper end of the driving hydraulic cylinder 75 is fixed on the upper plate body 71, and the upper plate body 71 can be driven to move up and down through the driving hydraulic cylinder 75; the screw 76 is connected to the lower plate body 72, the motor 77 is connected to the screw 76, the motor 77 is fixed to the gate 2, the screw 76 is vertically arranged, the screw 76 is in threaded connection with the guide strip 74 arranged on the lower plate body 72, and when the motor 77 drives the screw 76 to rotate, the lower plate body 72 vertically moves under the action of the screw 76.

When the device is used, the upper plate body 71 and the cutter 73 move upwards firstly, then the cutter 73 and the lower plate body 72 are separated, and simultaneously the cleaning teeth 33 enter the water facing side of the gate 2 from the water backing side of the gate 2; then the cleaning teeth 33 rotate upwards and hook up the aquatic weeds and garbage on the water surface to move upwards, meanwhile, the lower plate body 72 moves upwards under the action of the screw 76 and abuts against the lower part of the cleaning teeth 33, the cleaning teeth 33 move upwards in a matching mode, the cleaning teeth 33 can have larger upward movement force, after the positions of the cleaning teeth 33 and the upper plate body 71 are staggered, the upper plate body 71 moves downwards under the action of the driving hydraulic cylinder 75, and the cutter 73 and the lower plate body 72 are matched to cut off the aquatic weeds and garbage on the cleaning teeth 33, so that the cleaning teeth 33 can continue to rotate easily. The height of the upper plate body 71 and the height of the lower plate body 72 are both larger than the height of the comb teeth 22, when the lower plate body 72 moves upwards, the lower plate body 72 can block the comb teeth 22, and the water flowing through the abdicating groove 21 quickly is reduced, so that the water regulating effect of the gate 2 is influenced; meanwhile, the height of the water surface can be controlled, the height reduction of the aquatic plants and the garbage caused by the rapid falling of the water surface is reduced, and the next cleaning can be carried out again in a longer time; after the upper plate body 71 moves downward to cut the aquatic plants and garbage by the cutter 73, the upper plate body 71 and the lower plate body 72 move downward at the same time, and the upper plate body 71 is stopped at the position of the receding groove 21.

Refer to fig. 5, connect slag groove 6 including middle arc groove 61 and two swash plates 62, the both sides of middle arc groove 61 correspond respectively and are connected with an swash plate 62, swash plate 62 sets up with middle arc groove 61 an organic whole and forms, and the opening of middle arc groove 61 is upwards, swash plate 62 is kept away from the equal tilt up setting in one side of middle arc groove 61, be close to on middle arc groove 61 swash plate 62 and the 2 fixed connection of gate 2 simultaneously, connect and seted up water leakage hole 63 on the slag groove 6, water leakage hole 63 can make and enter into the water grass that connects in the slag groove 6 and the water in the rubbish strain out, also can filter through connecting slag groove 6 by the partly water that the groove 21 position of stepping down flowed simultaneously. A material conveying assembly 8 is arranged in the slag receiving groove 6, the material conveying assembly 8 is used for conveying waterweeds and garbage in the slag receiving groove 6, and the material conveying assembly 8 comprises a conveying shaft 81, a spiral conveying blade 82 and a conveying belt 83; the spiral conveying blade 82 is coaxially fixed on the conveying shaft 81, the spiral conveying blade 82 is arranged in the middle arc groove 61 in a matched mode, then when aquatic weeds and garbage enter the position of the middle arc groove 61, the conveying shaft 81 rotates to enable the aquatic weeds and the garbage to be conveyed to the end portion of the conveying shaft 81, the conveying belt 83 is connected to the end portion of the conveying shaft 81, and when the aquatic weeds and the garbage reach the position of the conveying belt 83, the aquatic weeds and the garbage are conveyed along the conveying belt 83. Referring to fig. 2, a chain wheel 84 is mounted on the conveying shaft 81, another chain wheel 84 is mounted on the rotating shaft 31, a chain 85 is arranged between the two chain wheels 84, and the chain 85 is in transmission connection with the two chain wheels 84, so that when the rotating shaft 31 rotates, the rotating shaft 31 drives the conveying shaft 81 to rotate through the chain wheels 84 and the chain 85, and then aquatic plants and garbage are conveyed synchronously.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Water surface pasture and water and rubbish cleaning device for hydraulic engineering, including gate pier (1) and gate (2), the side of gate (2) is pasting gate pier (1) setting, its characterized in that: the upper part of the gate (2) is provided with a cleaning component (3), the cleaning component (3) comprises a rotating shaft (31) and cleaning teeth (33), the rotating shaft (31) is arranged in parallel with the gate (2), and the rotating shaft (31) is connected with a driving component (5) for driving the rotating shaft (31) to rotate, a plurality of cleaning teeth (33) are arranged along the length direction of the rotating shaft (31), the rotating shaft (31) is arranged on one side of the back surface of the gate (2), a plurality of vertical comb teeth (22) are formed on the upper part of the gate (2), the receding grooves (21) are arranged among the comb teeth (22), the cleaning teeth (33) are in one-to-one correspondence with the receding grooves (21), when the cleaning teeth (33) rotate, the cleaning teeth (33) enter the upstream side of the gate (2) from the position of the abdicating groove (21), the distance between the end part of the cleaning tooth (33) and the center of the rotating shaft (31) is greater than the distance between the upper end of the comb tooth (22) and the center of the rotating shaft (31); one side of the back water surface of the gate (2) is provided with a slag receiving groove (6), and the slag receiving groove (6) is positioned below the rotating shaft (31).

2. The water surface aquatic plant and garbage cleaning device for the hydraulic engineering according to claim 1, characterized in that: the one end that clearance tooth (33) kept away from in pivot (31) sets into the arc, when clearance tooth (33) rotated gate (2) one side that faces the water, clearance tooth (33) are the arc kickup.

3. A water surface aquatic plant and rubbish cleaning device for hydraulic engineering according to claim 1 or 2, characterized in that: the water-saving gate is characterized in that a cutting assembly (7) is arranged on the upper portion of one side, facing the water, of the gate (2), the cutting assembly (7) comprises an upper plate body (71) and a cutter (73), the upper plate body (71) is connected with a driving hydraulic cylinder (75) used for driving the upper plate body (71) to vertically move, and the cutter (73) is installed on the lower portion of the upper plate body (71).

4. The water surface aquatic plant and garbage cleaning device for the hydraulic engineering according to claim 3, characterized in that: a lower plate body (72) is arranged below the upper plate body (71), the lower plate body (72) is vertically connected to the gate (2) in a sliding manner, and the upper side of the lower plate body (72) is used for supporting the lower part of the cleaning teeth (33); the lower plate body (72) is in threaded connection with a screw rod (76) used for driving the lower plate body (72) to vertically move.

5. The water surface aquatic plant and garbage cleaning device for the hydraulic engineering according to claim 4, characterized in that: when the lower plate body (72) moves to the position where the cleaning teeth (33) and the upper plate body (71) are staggered, the cutter (73) is matched with the lower plate body (72) for cutting.

6. The water surface aquatic plant and garbage cleaning device for the hydraulic engineering according to claim 5, characterized in that: the upper plate body (71) and the lower plate body (72) are attached to the upstream surface of the gate (2) towards one surface of the gate (2), and the heights of the upper plate body (71) and the lower plate body (72) are larger than those of the comb teeth (22).

7. The water surface aquatic plant and garbage cleaning device for the hydraulic engineering according to claim 1, characterized in that: connect slag groove (6) including middle arc groove (61) and two swash plates (62), two swash plate (62) set up respectively in the both sides of middle arc groove (61), connect and seted up a plurality of holes of leaking (63) on slag groove (6), connect one side at gate (2) dorsal surface of swash plate (62) on slag groove (6).

8. The water surface aquatic plant and garbage cleaning device for the hydraulic engineering according to claim 7, characterized in that: be provided with in middle arc groove (61) and defeated material subassembly (8), defeated material subassembly (8) are including carrying axle (81), helical conveying blade (82) coaxial fixation is on carrying axle (81), helical conveying blade (82) and middle arc groove (61) cooperation, carry axle (81) and pivot (31) transmission and be connected.

9. The water surface aquatic plant and garbage cleaning device for the hydraulic engineering according to claim 8, characterized in that: drive assembly (5) are including driving motor (51) and worm gear reduction gear (52), driving motor (51) are fixed on gate pier (1), the output shaft of driving motor (51) and the coaxial fixed of input shaft of worm gear reduction gear (52), the output shaft and the coaxial fixed of pivot (31) of worm gear reduction gear (52).

10. A water surface float grass and rubbish cleaning device for hydraulic engineering according to claim 8 or 9, characterized in that: and the rotating shaft (31) and the conveying shaft (81) are both provided with a chain wheel (84), and the two chain wheels (84) are in transmission connection through a chain (85).