CN220335834U - Dirt blocking structure for cleaning floating garbage in farmland channel - Google Patents

Abstract

The application discloses a farmland channel floats rubbish clearance with blocking dirty structure relates to hydraulic engineering technical field, and it includes that main dirt net, vice dirt net and is arranged in blocking the mount that dirt net and vice dirt net were fixed to the farmland channel of blocking, main dirt net is fixed in the mount middle part, vice dirt net is equipped with two sets of, two sets of vice dirt net symmetry is located main dirt net both sides and is rotationally connected in main dirt net both corners department of keeping away from the mount respectively, vice dirt net is kept away from the main dirt net one side edge of keeping away from and is fixed and be equipped with first flexible shutoff piece, first flexible shutoff piece is suitable for with farmland channel side looks butt, be equipped with the adjusting part that is used for controlling vice dirt net's rotation and locking between vice dirt net and the mount. The application blocks dirty structure and has higher adaptability to farmland channels with different gradients, and the gap between the dirty structure and the side surface of the farmland channel is smaller, and the dirty effect of blocking the dirty structure is better.

Description

Dirt blocking structure for cleaning floating garbage in farmland channel

Technical Field

The application relates to the technical field of hydraulic engineering, in particular to a dirt blocking structure for cleaning floating garbage in farmland channels.

Background

At present, most of irrigation water for water conservancy farmlands adopts river water, and in order to effectively utilize and guide the river water, the river water is guided to crops by digging artificial channels in the farmland planting range. The design of the artificial water diversion channel is to determine the depth and the distance of the water channels in the field according to the system engineering layout and the engineering standard, analyze and calculate the flow, the water level, the section size and the engineering quantity of the drainage channels and the buildings at all levels, and mostly construct a trapezoid water channel, wherein the bottom and the two sides of the water channel are covered and constructed by concrete so as to reduce the drainage of river water.

When the farmland water diversion channel is used for a long time, a plurality of floating garbage easily exists on the water surface, so that the attractive appearance is influenced, and meanwhile, if the floating garbage is not intercepted in advance, the floating garbage can be accumulated at the diversion gate of the canal in a large quantity, and the gate is easily blocked. In order to solve the problems, the method of arranging an interception net in a ditch is used for intercepting the floating garbage at present, and the intercepted floating garbage is cleaned in a timing centralized salvaging mode. In practical application, however, the slope design of farmland channels and the choice of channel ratio drop generally depend on the soil quality, sediment content and the slope of the land of the irrigation area. The soil quality, sediment content and slope of the land of the irrigation area are different, and the slope of the farmland channels and the channel ratio drop are different.

The interception net is applied to farmland channels, is prefabricated in factories or is manufactured on site by constructors, and comprises a net-shaped interception net body part and a framework part arranged on the periphery of the net body and the net body, wherein the interception net body and the framework are welded and fixed, the included angle between the side edge and the bottom edge of the net body is a fixed value, and in the practical application process, the side edge of the interception net is attached and fixed to inclined planes on two sides of a trapezoid ditch. When the inclined surfaces on two sides of the trapezoid canal are uneven, gaps are generated between the sides of the existing interception net and the sides of the trapezoid canal, so that floaters flow away through the gaps, and the interception net is poor in sewage interception effect.

Disclosure of Invention

In order to improve the problem that the interception net side and the channel side in the farmland channel are easy to produce the gap between and cause interception net to intercept dirty effect not good now, the application provides a farmland channel floats rubbish clearance with blocking dirty structure.

The application provides a farmland channel floats rubbish clearance with blocking dirty structure adopts following technical scheme:

the utility model provides a floating garbage of farmland channel clearance is with blocking dirty structure, includes main dirty net, vice dirty net of blocking and is arranged in fixing frame that is arranged in fixing the main dirty net and vice dirty net of blocking to farmland channel, main dirty net and vice dirty net of blocking are located the same side of fixing frame, and main dirty net and vice dirty net of blocking are the rectangle net, main dirty net of blocking is fixed in the fixing frame middle part; the secondary sewage blocking nets are symmetrically arranged on two sides of the primary sewage blocking net and are respectively connected to two corners of the primary sewage blocking net far away from the fixing frame in a rotating mode, a first flexible blocking piece is fixedly arranged on one side edge of the secondary sewage blocking net far away from the primary sewage blocking net and is suitable for being abutted against the side edge of a farmland channel, and an adjusting assembly used for controlling rotation and locking of the secondary sewage blocking net is arranged between the secondary sewage blocking net and the fixing frame.

By adopting the technical scheme, the main dirt blocking net and the auxiliary dirt blocking net jointly form the dirt blocking net body part of the dirt blocking structure, constructors can rotate two groups of auxiliary dirt blocking nets around two angles of the main dirt blocking net far away from the fixing frame according to the actual gradient of a farmland channel, one side of the auxiliary dirt blocking net far away from the main dirt blocking net is attached to the side inclined plane of the farmland channel, and the auxiliary dirt blocking net and the fixing frame are locked and fixed after the rotation of the auxiliary dirt blocking net is finished by utilizing the adjusting assembly, so that one side of the auxiliary dirt blocking net far away from the main dirt blocking net is fixed on the side inclined plane of the farmland channel, and the dirt blocking structure can be effectively adapted to farmland channels with different gradients; simultaneously, the first flexible plugging piece can take place flexible deformation, fills the shutoff to unsmooth face/unevenness department that exists on the inclined plane of farmland channel both sides to effectively reduce the gap between blocking dirty structure and the farmland channel side, make the floater be difficult for following blocking the gap between dirty structure and the farmland channel side and swift current, improve the dirty effect of blocking dirty structure.

Optionally, the mount includes integrative fixed rectangular form crossbeam and arc frame, the crossbeam is the level and lays, main dirty net fixed mounting in the crossbeam downside that blocks, the arc frame is located the crossbeam upside, one of two angles that vice dirty net is located on same diagonal is rotated and is connected on main dirty net, another angle is rotated and is connected on the arc frame, just vice dirty net that blocks one side of keeping away from main dirty net is vice dirty net long limit that blocks, vice dirty net that blocks one side long limit that is close to main dirty net is located main dirty net inboard all the time.

By adopting the technical scheme, in the process of rotating the secondary dirt blocking net by constructors, gaps are not easy to generate between the top of the secondary dirt blocking net and the top of the main dirt blocking net, and floating garbage is not easy to flow away from the gaps between the top of the secondary dirt blocking net and the top of the main dirt blocking net.

Optionally, the arc frame is last to run through and to have offered the arc wall, adjusting part includes screw thread spare and screw thread lock sleeve, the screw thread spare is installed on vice dirt blocking net and sliding connection in the arc wall, vice dirt blocking net and screw thread lock sleeve are located screw thread spare both ends respectively, just screw thread lock sleeve and screw thread spare screw thread assembly.

By adopting the technical scheme, the arc-shaped frame can guide and limit the rotation of the auxiliary dirt blocking net on the main dirt blocking net, and meanwhile, the threaded lock sleeve is matched, so that constructors can conveniently lock/loosen the auxiliary dirt blocking net fixed on the fixing frame through screwing the threaded lock sleeve, and the constructors can conveniently realize the rotation of the auxiliary dirt blocking net on the main dirt blocking net.

Optionally, a second flexible blocking piece is fixedly arranged on the side edge of one side, close to the main dirt blocking net, of the auxiliary dirt blocking net, and one side, far away from the auxiliary dirt blocking net, of the second flexible blocking piece is abutted to the main dirt blocking net.

By adopting the technical scheme, the second flexible blocking piece can block the gap between the main dirt blocking net and the auxiliary dirt blocking net, so that floating garbage is not easy to flow away from the space between the main dirt blocking net and the auxiliary dirt blocking net, the possibility that the floating garbage is blocked between the main dirt blocking net and the auxiliary dirt blocking net is reduced, and the dirt blocking effect of the dirt blocking structure is further improved.

Optionally, the secondary dirt blocking net is positioned on the water back side of the primary dirt blocking net.

By adopting the technical scheme, the possibility that floating garbage is blocked between the main sewage blocking net and the auxiliary sewage blocking net can be further reduced.

Optionally, a plurality of connecting holes are penetrated and arranged at equal intervals along the length direction of the end part of the cross beam, a fixing pin suitable for being inserted into any connecting hole is movably connected to the cross beam, and the cross beam is fixed at the top of the farmland channel through the fixing pin.

Through adopting above-mentioned technical scheme, constructor can select the connecting hole on the crossbeam and will adopt the fixed pin to insert selected connecting hole according to the actual width of channel to with blocking dirty structure fixed mounting to in the farmland channel.

Optionally, the height of the lowest point of one side of the secondary dirt blocking net far from the position where the secondary dirt blocking net is connected with the primary dirt blocking net is always positioned above the primary dirt blocking net.

By adopting the technical scheme, the side edge of the top of the auxiliary trash can be always positioned above the main trash can, and floating trash in farmland channels is not easy to flow away from between the top of the auxiliary trash can and the top of the side face of the channel.

Optionally, the fixing frame is further provided with a floating ball, a pull rope, a pressure sensor and an alarm, wherein the floating ball, the pull rope, the pressure sensor and the alarm are used for monitoring whether the water level of the water facing side of the main dirt blocking net is higher than that of the main dirt blocking net, the signal output end of the pressure sensor is electrically connected with the signal input end of the alarm, the floating ball is fixed with the induction end of the pressure sensor through the pull rope, and the floating ball is hung on the fixing frame.

Through adopting above-mentioned technical scheme, when the water level is too high in the farmland channel, the floater can rise and pull the stay cord along with the water and trigger pressure sensor's sensing end, and pressure sensor transmits signal to alarm department correspondingly, makes the alarm report to the police to in time salvage the maintenance to the farmland channel when the water level rises in the channel later stage personnel.

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

1. the main dirt blocking net, the auxiliary dirt blocking net, the fixing frame, the first flexible blocking piece and the adjusting component are matched, so that the adaptability of the dirt blocking structure to farmland channels with different gradients can be improved, gaps between the dirt blocking structure and the side surfaces of the farmland channels are effectively reduced, floaters are not easy to slide away from the gaps between the dirt blocking structure and the side surfaces of the farmland channels, and the dirt blocking effect of the dirt blocking structure is improved;

2. by matching the arc-shaped frame, the threaded piece and the threaded lock sleeve, constructors can conveniently lock/unlock the auxiliary dirt blocking net and the fixing frame by screwing the threaded lock sleeve, so that the auxiliary dirt blocking net is adjusted on the main dirt blocking net;

3. the secondary sewage blocking net is arranged on the water back side of the primary sewage blocking net, and the second flexible blocking piece is additionally arranged, so that floating garbage is not easy to flow away from between the primary sewage blocking net and the secondary sewage blocking net, the possibility that the floating garbage is blocked between the primary sewage blocking net and the secondary sewage blocking net is reduced, and the sewage blocking effect of the sewage blocking structure is further improved.

Drawings

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

fig. 2 is a rear view of the overall structure of the embodiment of the present application as seen from the back water side of the primary dirt barrier net.

Reference numerals: 1. a main dirt blocking net; 2. an auxiliary dirt blocking net; 3. a fixing frame; 31. a cross beam; 311. a connection hole; 32. an arc-shaped frame; 4. a first flexible closure; 5. an adjustment assembly; 51. a screw; 52. a threaded lock sleeve; 6. a second flexible blocking member; 7. a fixing pin; 8. a floating ball; 9. a pull rope; 10. an alarm.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses a farmland channel floats rubbish clearance with blocking dirty structure.

Referring to fig. 1, the floating garbage cleaning structure for farmland channels comprises a main garbage blocking net 1, an auxiliary garbage blocking net 2 and a fixing frame 3 for fixing the main garbage blocking net 1 and the auxiliary garbage blocking net 2 in farmland channels, wherein the main garbage blocking net 1 and the auxiliary garbage blocking net 2 are positioned on the same side of the fixing frame 3, the main garbage blocking net 1 and the auxiliary garbage blocking net 2 are rectangular nets, the long side of the main garbage blocking net 1 is longer than the long side of the auxiliary garbage blocking net 2, the wide side of the main garbage blocking net 1 is longer than the wide side of the auxiliary garbage blocking net 2, and the main garbage blocking net 1 is fixed in the middle of the fixing frame 3; the secondary dirt blocking nets 2 are provided with two groups, and the two groups of secondary dirt blocking nets 2 are symmetrically arranged at two sides of the primary dirt blocking net 1 and are respectively connected at two corners of the primary dirt blocking net 1 far away from the fixing frame 3 in a rotating way.

The main dirt blocking net 1 and the auxiliary dirt blocking net 2 jointly form a dirt blocking net body part of the dirt blocking structure, and constructors can rotate two groups of the auxiliary dirt blocking nets 2 around two angles of the main dirt blocking net 1 far away from the fixing frame 3 according to the actual gradient of a farmland channel, so that one side of the auxiliary dirt blocking net 2 far away from the main dirt blocking net 1 is attached to the side inclined surface of the farmland channel.

Specifically, referring to fig. 1 and 2, the fixing frame 3 includes an integrally fixed elongated beam 31 and an arc-shaped frame 32, the beam 31 is horizontally arranged, and the beam 31 is used for connecting and fixing the dirt blocking structure with the farmland channel.

The main trash rack 1 is fixedly arranged on the lower side of the cross beam 31, the main trash rack 1 is vertically arranged, the long side direction of the main trash rack 1 is parallel to the cross beam 31, the arc-shaped frame 32 is positioned on the upper side of the cross beam 31, one of two corners of the auxiliary trash rack 2 positioned on the same diagonal is rotatably connected to the main trash rack 1, the other corner is rotatably connected to the arc-shaped frame 32, the side edge of the auxiliary trash rack 2, which is far away from the main trash rack 1, is the long side of the auxiliary trash rack 2, which is close to the main trash rack 1, is always positioned on the inner side of the main trash rack 1, and the lowest point of the side edge of the auxiliary trash rack 2, which is far away from the junction with the main trash rack 1, is always positioned above the main trash rack 1, so that floating trash in a farmland can always be positioned above the main trash rack 1, and floating trash can not easily flow away from between the top of the auxiliary trash rack 2 and the top of the side of the farmland.

Further, referring to fig. 1 and 2, a first flexible blocking piece 4 is fixedly arranged on a side edge of the secondary sewage-blocking net 2 far away from the primary sewage-blocking net 1, the first flexible blocking piece 4 can be a rubber water stop bar, a PP water stop bar or other flexible pieces, the first flexible blocking piece 4 is suitable for being abutted against a side edge of a farmland channel, and an adjusting component 5 for controlling rotation and locking of the secondary sewage-blocking net 2 is arranged between the secondary sewage-blocking net 2 and the fixing frame 3.

After the secondary dirt blocking net 2 rotates, constructors can lock and fix the secondary dirt blocking net 2 and the fixing frame 3 by using the adjusting component 5, so that the first flexible blocking piece 4 is attached to the corresponding side slope of the channel, the first flexible blocking piece 4 is flexibly deformed, and the uneven surfaces/uneven parts on the slopes on the two sides of the farmland channel are filled and blocked, so that gaps between the dirt blocking structure and the side face of the farmland channel are reduced.

For the convenience of constructors to adjust the rotation and locking of the secondary sewage-blocking net 2 on the primary sewage-blocking net 1, referring to fig. 1 and 2, an arc-shaped groove is formed in an arc-shaped frame 32 in the embodiment of the application in a penetrating manner, the arc-shaped groove is an arc-shaped groove, the connection position of the secondary sewage-blocking net 2 and the primary sewage-blocking net 1 is the position of the circle center of the corresponding arc-shaped groove, and the arc-shaped groove is used for being matched with a cross beam 31 to conduct guiding and limiting on the rotation of the secondary sewage-blocking net 2 on the primary sewage-blocking net 1.

The adjusting component 5 comprises a threaded member 51 and a threaded lock sleeve 52, the threaded member 51 is a bolt in the embodiment of the present application, the rod portion of the bolt movably penetrates through the secondary dirt blocking net 2 along the direction perpendicular to the secondary dirt blocking net 2 and is slidably connected in the arc-shaped groove, and the threaded lock sleeve 52 is movably sleeved on the rod portion of the threaded member 51 and is in threaded assembly with the threaded member 51.

The constructor can conveniently lock/unlock the auxiliary dirt blocking net 2 fixed on the fixed frame 3 with the auxiliary dirt blocking net 2 and the fixed frame 3 by screwing the screw thread lock sleeve 52, and regulate and control the rotation of the auxiliary dirt blocking net 2 on the main dirt blocking net 1.

Further, the secondary sewage blocking net 2 is located at the water back side of the primary sewage blocking net 1, so that the contact area between floating garbage and the secondary sewage blocking net 2 is reduced as much as possible, a second flexible blocking piece 6 is fixedly arranged on the side edge of the secondary sewage blocking net 2, which is close to the primary sewage blocking net 1, the second flexible blocking piece 6 can also be a rubber water stop bar, a PP water stop bar or other flexible pieces, and one side of the second flexible blocking piece 6, which is far away from the secondary sewage blocking net 2, is abutted against the primary sewage blocking net 1.

The second flexible blocking piece 6 can block gaps between the main dirt blocking net 1 and the auxiliary dirt blocking net 2, so that floating garbage is not easy to flow away from the space between the main dirt blocking net 1 and the auxiliary dirt blocking net 2, the possibility that the floating garbage is blocked between the main dirt blocking net 1 and the auxiliary dirt blocking net 2 is reduced, and the dirt blocking effect of the dirt blocking structure is further improved.

Further, referring to fig. 1 and 2, a plurality of connecting holes 311 are formed in the end portion of the cross beam 31 at equal intervals along the length direction of the end portion, a fixing pin 7 suitable for being inserted into any connecting hole 311 is movably connected to the cross beam 31, the fixing pin 7 is a large-head pin with the head portion wider than the rod portion in the embodiment of the application, the rod portion of the fixing pin 7 is movably inserted into the connecting hole 311, the radius of the head portion of the fixing pin 7 is larger than the aperture of the connecting hole 311, and the cross beam 31 is fixed to the top of a farmland channel through the fixing pin 7.

In the actual construction process, constructors can rotate the auxiliary trash rack 2 to the corresponding positions according to the actual width of the channel and the gradient of the side surface of the channel, lock the auxiliary trash rack 2 and the main trash rack 1 by adopting the threaded pieces 51 and the threaded lock sleeves 52, then select the connecting holes 311 positioned at the proper positions on the cross beam 31, insert the selected connecting holes 311 by adopting the fixing pins 7, and fixedly install the trash rack in the farmland channel.

The fixing frame 3 is also provided with a floating ball 8, a pull rope 9, a pressure sensor and an alarm 10, wherein the floating ball 8 is used for monitoring whether the water level of the water facing side of the main sewage blocking net 1 is higher than that of the main sewage blocking net 1, the floating ball 8 is positioned on the water facing side of the main sewage blocking net 1, the floating ball 8 can float on the surface of a water body under the buoyancy action of the water body, the length of the pull rope 9 is fixed, one end of the pull rope 9 is fixedly connected to the floating ball 8, and the other end of the pull rope is fixed with the sensing end of the pressure sensor; the signal output end of the pressure sensor is electrically connected with the signal input end of the alarm 10, the alarm 10 can give out light alarm and buzzing alarm simultaneously, the floating ball 8 is hung on the main dirt blocking net 1 through the pull rope 9, and the position where the floating ball 8 is connected with the stretching is positioned below the main dirt blocking net 1.

When the water level in the farmland channel is too high, namely the water level in the farmland channel is higher than the top surface height of the main trash can 1, the floating ball 8 can rise along with the water body and pull the pull rope 9 to trigger the sensing end of the pressure sensor, and the pressure sensor correspondingly transmits signals to the alarm 10, so that the alarm 10 alarms, floating garbage is prevented from directly flowing away from the upper part of the main trash can 1, and later-stage personnel are prompted to timely salvage and maintain the farmland channel when the water level in the channel rises.

The implementation principle of the dirt blocking structure for cleaning the floating garbage in the farmland channel is as follows: through main dirt blocking net 1, vice dirt blocking net 2, mount 3, first flexible shutoff piece 4 and regulation subassembly 5 cooperation, constructor can keep away from two minutes of mount 3 around main dirt blocking net 1 and rotate two sets of vice dirt blocking nets 2 respectively, make vice dirt blocking net 2 keep away from one side of main dirt blocking net 1 and farmland channel's side inclined plane laminating fixedly, and make first flexible shutoff piece 4 fill shutoff to the unsmooth face/unevenness department that exists on farmland channel both sides inclined plane, thereby improve the adaptability of dirt blocking structure to different slope farmland channels, effectively reduce the gap between dirt blocking structure and the farmland channel side, make the floater be difficult for walking from the gap between dirt blocking structure and the farmland channel side, improve the dirt blocking effect of dirt blocking structure

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A farmland channel floats rubbish clearance with blocking dirty structure, its characterized in that: the device comprises a main dirt blocking net (1), an auxiliary dirt blocking net (2) and a fixing frame (3) for fixing the main dirt blocking net (1) and the auxiliary dirt blocking net (2) in a farmland channel, wherein the main dirt blocking net (1) and the auxiliary dirt blocking net (2) are positioned on the same side of the fixing frame (3), the main dirt blocking net (1) and the auxiliary dirt blocking net (2) are rectangular nets, and the main dirt blocking net (1) is fixed in the middle of the fixing frame (3); the utility model discloses a soil blocking net, including main soil blocking net (1), secondary soil blocking net (2), auxiliary soil blocking net (2) and fixing frame (3), auxiliary soil blocking net (2) are equipped with two sets of soil blocking net (2) symmetry locates main soil blocking net (1) both sides and respectively rotate and connect in main soil blocking net (1) keep away from both corners department of fixing frame (3), auxiliary soil blocking net (2) keep away from main soil blocking net (1) one side edge fixed be equipped with first flexible shutoff piece (4), first flexible shutoff piece (4) are suitable for with farmland channel side looks butt, be equipped with between auxiliary soil blocking net (2) and fixing frame (3) and be used for carrying out regulation subassembly (5) that control to the rotation and the locking of auxiliary soil blocking net (2).

2. The farmland channel floating trash cleaning trash holding structure according to claim 1, characterized in that: the fixing frame (3) comprises an integrally fixed strip-shaped cross beam (31) and an arc-shaped frame (32), the cross beam (31) is horizontally arranged, the main sewage-blocking net (1) is fixedly arranged on the lower side of the cross beam (31), the arc-shaped frame (32) is positioned on the upper side of the cross beam (31), one of two corners of the auxiliary sewage-blocking net (2) positioned on the same diagonal is rotationally connected to the main sewage-blocking net (1), the other corner is rotationally connected to the arc-shaped frame (32), one side edge of the auxiliary sewage-blocking net (2) far away from the main sewage-blocking net (1) is a long edge of the auxiliary sewage-blocking net (2), and one long edge of the auxiliary sewage-blocking net (2) close to the main sewage-blocking net (1) is always positioned on the inner side of the main sewage-blocking net (1).

3. The farmland channel floating trash cleaning trash holding structure according to claim 2, characterized in that: the arc-shaped frame (32) is provided with an arc-shaped groove in a penetrating mode, the adjusting component (5) comprises a threaded piece (51) and a threaded lock sleeve (52), the threaded piece (51) is arranged on the auxiliary dirt blocking net (2) and is connected in the arc-shaped groove in a sliding mode, the auxiliary dirt blocking net (2) and the threaded lock sleeve (52) are located at two ends of the threaded piece (51) respectively, and the threaded lock sleeve (52) is assembled with the threaded piece (51) in a threaded mode.

4. A farmland channel floating trash cleaning trash holding structure according to claim 3, characterized in that: a second flexible blocking piece (6) is fixedly arranged on the side edge of one side, close to the main dirt blocking net (1), of the auxiliary dirt blocking net (2), and one side, far away from the auxiliary dirt blocking net (2), of the second flexible blocking piece (6) is abutted to the main dirt blocking net (1).

5. The farmland ditch floating trash cleaning trash holding structure according to any one of claims 1-4, characterized in that: the auxiliary dirt blocking net (2) is positioned on the water back side of the main dirt blocking net (1).

6. The farmland ditch floating trash cleaning trash holding structure according to any one of claims 2-4, characterized in that: the end part of the cross beam (31) is provided with a plurality of connecting holes (311) at equal intervals along the length direction, the cross beam (31) is movably connected with a fixing pin (7) which is suitable for being inserted into any connecting hole (311), and the cross beam (31) is fixed at the top of a farmland channel through the fixing pin (7).

7. The farmland channel floating trash cleaning trash holding structure according to claim 5, characterized in that: the lowest point of one side of the auxiliary dirt blocking net (2) far from the connection part of the auxiliary dirt blocking net and the main dirt blocking net (1) is always positioned above the main dirt blocking net (1).

8. The farmland channel floating trash cleaning trash holding structure according to claim 7, characterized in that: the water level monitoring device is characterized in that a floating ball (8), a pull rope (9), a pressure sensor and an alarm (10) for monitoring whether the water level of the water facing side of the main dirt blocking net (1) is higher than that of the main dirt blocking net (1) are further arranged on the fixing frame (3), a signal output end of the pressure sensor is electrically connected with a signal input end of the alarm (10), the floating ball (8) is fixed with an induction end of the pressure sensor through the pull rope (9), and the floating ball (8) is hung on the fixing frame (3).