Farmland irrigation anti-permeation channel structure

Abstract

The invention provides a farmland irrigation anti-permeation channel structure, and relates to the technical field of irrigation channels. The drainage channel comprises a channel body and a trash blocking plate, and a channel groove used for containing water flow is formed in the channel body in the length direction of the channel body; the trash blocking plate is arranged in the channel groove, and the bottom end of the trash blocking plate is immersed into the water flow. According to the anti-permeation channel structure for farmland irrigation, the situation that the water outlets are blocked by floating objects is not prone to occurring.

Description

Technical Field

[0001] The present application relates to the technical field of irrigation channels, and in particular to an anti-seepage channel structure for farmland irrigation. Background Art

[0002] Common ways of farmland irrigation include flood irrigation, channel irrigation and furrow irrigation. Channel irrigation refers to the process of introducing water from a water source into an irrigation channel, and then introducing water into farmland through the irrigation channel. This irrigation method can control the amount of water and irrigation time as needed, and is suitable for different types of crops.

[0003] Since the existing farmland irrigation channels are usually open-air, and the water flow in the farmland irrigation channels is very small and the flow rate is very slow during non-irrigation time, once there are a lot of floating objects such as weeds and fallen leaves blown into a certain section of the channel by the wind, when it comes to irrigation time, once these floating objects are carried to the outlet of the farmland irrigation channel by the enhanced water flow, it is easy for the floating objects to block the outlet of the farmland irrigation channel.

[0004] In view of this, it is necessary to provide an anti-seepage channel structure for farmland irrigation. Summary of the invention

[0005] In order to solve the problem that the water outlet of the existing farmland irrigation channel is easily blocked by floating objects, the present application provides a farmland irrigation anti-seepage channel structure.

[0006] The present application provides an anti-seepage channel structure for farmland irrigation, which adopts the following technical solution: comprising a channel body and a trash-blocking plate, wherein a channel groove for accommodating water flow is provided on the channel body along its length direction; The trash retaining plate is arranged in the channel trough, and the bottom end of the trash retaining plate is immersed in the water flow.

[0007] By adopting the above technical solution, during irrigation time, the setting of the trash retaining plate can block floating objects such as weeds and fallen leaves on the water flow, so that these floating objects will not be carried to the outlet of the farmland irrigation channel by the water flow, and then the farmland irrigation anti-seepage channel structure will not easily cause the outlet of the farmland irrigation channel to be blocked by floating objects.

[0008] Specifically, it also includes a baffle driving assembly, wherein the baffle is slidably connected to the groove wall of the channel groove, and the baffle driving assembly is transmission-connected to the baffle. During non-irrigation time, the baffle driving assembly applies an upward force to the baffle and makes the bottom end of the baffle higher than the water flow; During irrigation time, the baffle driving assembly applies a downward force to the trash baffle and immerses the bottom end of the trash baffle into the water flow.

[0009] By adopting the above technical solution, during the irrigation time, the user can apply a downward force to the trash rack through the baffle driving assembly, so that the bottom end of the trash rack is immersed in the water flow in the channel groove; during the non-irrigation time, the user can apply an upward force to the trash rack through the baffle driving assembly, so that the bottom end of the trash rack is higher than the water flow in the channel groove and no longer blocks the floating objects on the water flow, so that a part of the floating objects in the channel groove can be brought to places such as the corners in the channel groove where sundries are easily accumulated, which is convenient for the user to centrally clean up these sundries.

[0010] Further, the baffle driving assembly includes a pressing plate, a piston rod and a baffle elastic member. A receiving groove is formed on the bottom wall of the channel groove. The side plate edge of the pressing plate abuts against the inner wall of the receiving groove and can block the notch of the receiving groove. The bottom plate surface of the pressing plate is inserted into the receiving groove and a liquid transmission cavity is formed between the pressing plate and the bottom wall of the receiving groove; A sliding groove is formed on the side wall of the channel groove, and a piston cavity is provided along the inside of the channel body. The piston end of the piston rod is arranged in the piston cavity and divides the inside of the piston cavity into a rod chamber and a rodless chamber. A through hole leading to the rod chamber is formed in the top wall of the sliding groove in the vertical direction. The rod end of the piston rod passes through the through hole and extends into the sliding groove and is connected to the trash rack. A communication hole leading to the rodless chamber is formed on the cavity wall of the liquid transmission cavity. The liquid transmission cavity, the communication hole and the rodless chamber are all filled with transmission liquid; The baffle elastic member is arranged between the trash rack and the inner wall of the channel groove and can apply an upward force to the trash rack.

[0011] By adopting the above technical solution, since the water flow in the channel groove is very large during the irrigation time, the water pressure received by the pressing plate is also very large, which causes the pressing plate to sink and push the piston rod and the trash rack to move downward through the transmission liquid; while the water flow in the channel groove is very small during the non-irrigation time, the water pressure received by the pressing plate is also very small. At this time, the baffle elastic member can apply an upward force to the trash rack, which causes the piston rod and the trash rack to move upward and push the pressing plate to move upward through the transmission liquid.

[0012] Further, the baffle driving assembly further includes a water isolation film, and the water isolation film is arranged between the top of the pressing plate and the bottom wall of the channel groove and can block the gap between the pressing plate and the receiving groove.

[0013] By adopting the above technical solution, the water isolation film can block the gap between the pressing plate and the receiving groove, so that the water flow in the channel groove is not easy to enter the liquid transmission cavity, and the transmission liquid in the liquid transmission cavity is not easy to leak from the gap.

[0014] Specifically, a plurality of water permeable holes are formed on the plate surface of the trash rack.

[0015] By adopting the above technical solution, the provision of the water permeable holes can enhance the water permeability of the trash rack, so that the water flow velocity in the channel trough is not easily affected too much by the obstruction of the trash rack.

[0016] Furthermore, it further includes a dirt scraping assembly. During non-irrigation time, the dirt scraping assembly can move along the channel trough and scrape off the sundries adhered to the wall of the channel trough.

[0017] By adopting the above technical solution, during non-irrigation time, the user can scrape off sundries such as fallen leaves and moss adhered to the wall of the channel trough through the dirt scraping assembly.

[0018] Furthermore, the dirt scraping assembly includes a mounting housing, moving wheels, a dirt scraping unit, a transmission unit and a motor. A track groove is formed in the side wall of the channel trough along its own length direction. The moving wheels are arranged in the channel trough, and the rotating shaft of the moving wheels is connected to the mounting housing. The motor is arranged inside the mounting housing. The dirt scraping unit can abut against the wall of the channel trough. The motor is in transmission connection with the moving wheels and the dirt scraping unit through the transmission unit, and can drive the dirt scraping unit to move along the wall of the channel trough.

[0019] By adopting the above technical solution, the user can drive the moving wheels to rotate through the motor and drive the dirt scraping assembly to move along the track groove. During the movement of the dirt scraping assembly, the motor will also drive the dirt scraping unit to move along the wall of the channel trough, thereby realizing the scraping of the sundries adhered to the wall of the channel trough.

[0020] Furthermore, the dirt scraping unit includes a horizontal dirt scraping member and a vertical dirt scraping member. The transmission unit includes a drive shaft, a worm gear, a worm, a high-position connecting rope, a low-position connecting rope, a fixed pulley inside the housing and two fixed pulleys outside the housing. The drive shaft is rotatably connected to the inner wall of the mounting housing along the width direction of the channel trough. The worm gear is arranged on the shaft body of the drive shaft. The worm is connected to the output shaft of the motor and meshes with the worm gear. A reciprocating lead screw type thread section is formed on the shaft body of the drive shaft. A threaded hole adapted to the reciprocating lead screw type thread section is formed at the top of the horizontal dirt scraping member and is screwed to the reciprocating lead screw type thread section through the threaded hole, so that the drive shaft can drive the horizontal dirt scraping member to reciprocate along the reciprocating lead screw type thread section through self-rotation. A waist-shaped hole is formed in the inner bottom wall of the mounting housing along the length direction of the drive shaft. The bottom end of the horizontal dirt scraping member passes through the waist-shaped hole and abuts against the bottom wall of the channel trough; A scraping groove is provided on the side wall of the installation shell in the vertical direction, and a fixed pulley outside the shell is provided at both ends of the scraping groove. One end of the vertical scraping member is in contact with the side wall of the channel groove, and the other end of the vertical scraping member is inserted into the scraping groove and can move along the scraping groove. A clearance hole is provided on the transverse scraping member along the length direction of the driving shaft. The fixed pulley inside the shell is provided on the inner wall of the installation shell, and the transverse scraping member is located between the fixed pulley inside the shell and the two fixed pulleys outside the shell. One end of the high-position connecting rope is connected to the transverse The vertical scraping member is connected to a side of the scraping groove, the other end of the high-position connecting rope passes through the through hole provided on the mounting shell and bypasses the fixed pulley outside the shell at the top of the scraping groove to be connected to the top of the vertical scraping member, one end of the low-position connecting rope is connected to the bottom of the vertical scraping member, the other end of the low-position connecting rope bypasses the fixed pulley outside the shell at the bottom of the scraping groove and passes through the through hole provided on the mounting shell and the give way hole in sequence, then bypasses the fixed pulley inside the shell to be connected to a side of the horizontal scraping member facing away from the scraping groove.

[0021] By adopting the above technical solution, the motor can drive the driving shaft to rotate through the cooperation of the worm wheel and the worm, and the setting of the reciprocating screw threaded section enables the horizontal scraper to abut against the hole wall of the waist-shaped hole and reciprocate along the waist-shaped hole when the driving shaft rotates; when the horizontal scraper moves in the direction away from the scraping groove, the high-position connecting rope will apply an upward force to the vertical scraper and move the vertical scraper upward, and when the horizontal scraper moves in the direction close to the scraping groove, the low-position connecting rope will apply a downward force to the vertical scraper and move the vertical scraper downward, thereby enabling the motor to drive the horizontal scraper and the vertical scraper to reciprocate while driving the moving wheel to rotate to scrape off the debris adhered to the channel groove wall.

[0022] Furthermore, the transverse scraping member includes a telescopic cylinder, a scraping rod and a scraping elastic member, the threaded hole is provided on the body of the telescopic cylinder, the top end of the scraping rod is inserted into the telescopic cylinder and can slide along the inner wall of the telescopic cylinder, the waist-shaped give-way hole is provided on the body of the scraping rod in the vertical direction, the bottom end of the scraping rod passes through the waist-shaped hole and abuts against the bottom wall of the channel groove, the scraping elastic member is arranged between the top end of the scraping rod and the inner wall of the telescopic cylinder, and can apply a downward force to the scraping rod.

[0023] By adopting the above technical solution, since the top of the pressing plate is higher than the bottom wall of the channel groove during non-irrigation time, when the transverse scraping member moves from the bottom wall of the channel groove to the pressing plate, the scraping rod can be retracted into the telescopic cylinder, and when the transverse scraping rod returns from the pressing plate to the bottom wall of the channel groove, the scraping elastic member can drive the scraping rod to extend out of the telescopic cylinder, so that the transverse scraping member can also scrape the top of the pressing plate.

[0024] Further, anti-slip lines are circumferentially formed on the wheel surface of the moving wheel.

[0025] By adopting the above technical solution, the anti-slip lines can increase the friction between the moving wheel and the track groove, so that the moving wheel is not prone to slipping.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. It includes a channel body, a trash rack, and a trash rack driving assembly. A channel groove for accommodating water flow is formed along the length direction of the channel body. The trash rack is arranged in the channel groove, and the bottom end of the trash rack is immersed in the water flow. The trash rack is slidably connected to the groove wall of the channel groove. The trash rack driving assembly is in transmission connection with the trash rack. During non-irrigation time, the trash rack driving assembly applies an upward force to the trash rack and makes the bottom end of the trash rack higher than the water flow. During irrigation time, the trash rack driving assembly applies a downward force to the trash rack and makes the bottom end of the trash rack immersed in the water flow, so that during irrigation time, the user can apply a downward force to the trash rack through the trash rack driving assembly, and then make the bottom end of the trash rack immersed in the water flow in the channel groove. During non-irrigation time, the user can apply an upward force to the trash rack through the trash rack driving assembly, so that the bottom end of the trash rack is higher than the water flow in the channel groove and no longer blocks the floating objects on the water flow, so that the water flow in the channel groove can bring some floating objects to places such as the corners in the channel groove where sundries are likely to accumulate, which is convenient for the user to centrally clean up these sundries; 2. The dirt scraping assembly includes a mounting housing, a moving wheel, a dirt scraping unit, a transmission unit, and a motor. A track groove is formed along the length direction of the side wall of the channel groove. The moving wheel is arranged in the channel groove, and the rotating shaft of the moving wheel is connected to the mounting housing. The motor is arranged inside the mounting housing. The dirt scraping unit can abut against the groove wall of the channel groove. The motor is in transmission connection with the moving wheel and the dirt scraping unit through the transmission unit, and can drive the dirt scraping unit to move along the groove wall of the channel groove, so that the user can drive the moving wheel to rotate through the motor and drive the dirt scraping assembly to move along the track groove. During the movement of the dirt scraping assembly, the motor also drives the dirt scraping unit to move along the groove wall of the channel groove, and then realizes the scraping of the sundries adhered to the groove wall of the channel groove. Description of the Drawings

[0027] Figure 1 is a perspective view of a farmland irrigation anti-seepage channel structure of the present application, in which only a section of the channel body is shown; Figure 2 is a top view of a farmland irrigation anti-seepage channel structure of the present application; Figure 3 is along Figure 2 a schematic cross-sectional view taken along the central axis in the direction of A-A in Figure 4 is along Figure 2 Schematic cross-sectional view taken along the center axis in the BB direction.

[0028] Figure numerals: 1, channel body; 2, dirt-blocking plate; 21, water-permeable hole; 3, baffle driving assembly; 31, pressure plate; 32, piston rod; 33, baffle elastic member; 34, water-proof membrane; 4, scraping assembly; 41, mounting shell; 411, waist-shaped hole; 42, moving wheel; 421, anti-slip groove; 43, scraping unit; 431, horizontal scraping member; 4311, telescopic cylinder; 4312, scraping rod; 4313, scraping elastic member; 432, vertical scraping member; 44, transmission unit; 441, driving shaft; 442, worm; 443, high-position connecting rope; 444, low-position connecting rope; 445, fixed pulley inside the shell; 446, fixed pulley outside the shell; 45, motor. DETAILED DESCRIPTION

[0029] The following is combined with Figures 1-4 For further explanation: See also Figure 1 and Figure 2 In one embodiment, a farmland irrigation anti-seepage channel structure includes a channel body 1, three trash retaining plates 2, three trash retaining plate driving assemblies 3 and a scraping assembly 4. The channel body 1 as a whole can be cast by waterproof concrete, so that the farmland irrigation anti-seepage channel structure has good anti-seepage performance. One end of the channel body 1 is connected to a water source (not shown in the figure), and a water outlet is formed at the other end (not shown in the figure); a channel groove for accommodating water flow is opened on the channel body 1 along its length direction, and three trash retaining plates 2 are arranged in the channel groove at intervals. A plurality of water-permeable holes 21 are opened on the plate surface of each trash retaining plate 2 to enhance the water permeability of the trash retaining plate 2, so that the water flow rate in the channel groove is not easily affected by the obstruction of the trash retaining plate 2; the three trash retaining plates 2 correspond to the three trash retaining plate driving assemblies 3 one by one, and each trash retaining plate driving assembly 3 is transmission-connected to a corresponding trash retaining plate 2.

[0030] See also Figure 2 and Figure 3, the bulkhead drive assembly 3 includes a pressure plate 31, a water barrier film 34, two piston rods 32 and two bulkhead elastic members 33. A receiving groove is formed in the bottom wall of the channel groove. The side plate edge of the pressure plate 31 abuts against the inner wall of the receiving groove and can seal the notch of the receiving groove. The bottom plate surface of the pressure plate 31 is inserted into the receiving groove and a liquid transmission cavity is formed between the pressure plate 31 and the bottom wall of the receiving groove. The water barrier film 34 is arranged between the top of the pressure plate 31 and the bottom wall of the channel groove. The water barrier film 34 can be a plastic film so as to seal the gap between the pressure plate 31 and the receiving groove through the water barrier film 34. A sliding groove is formed in the side wall of the channel groove. There is a piston cavity inside the channel body 1. The piston end of the piston rod 32 is arranged in the piston cavity and divides the inside of the piston cavity into a rod chamber and a rodless chamber. A through hole leading to the rod chamber is formed in the top wall of the sliding groove in the vertical direction. The rod end of the piston rod 32 passes through the through hole and extends into the sliding groove to be connected with the trash rack 2. A communication hole leading to the rodless chamber is formed in the wall of the liquid transmission cavity. The liquid transmission cavity, the communication hole and the rodless chamber are all filled with transmission liquid. The transmission liquid can be water or other liquid with a density greater than that of water. The two bulkhead elastic members 33 are relatively arranged between the top of the trash rack 2 and the wall of the channel groove. The bulkhead elastic members 33 can be tension springs so as to apply an upward force to the trash rack 2 through the bulkhead elastic members 33.

[0031] See Figure 1 and Figure 4, the dirt scraping assembly 4 includes an installation housing 41, two moving wheels 42, two dirt scraping units 43, a transmission unit 44 and a motor 45. Track grooves are formed on both side walls of the channel groove along its own length direction, and each track groove runs through the entire length direction of the channel groove. The two moving wheels 42 correspond to the two channel grooves one by one, and each moving wheel 42 is arranged in a corresponding channel groove; the dirt scraping unit 43 includes a horizontal dirt scraping member 431 and a vertical dirt scraping member 432, and the transmission unit 44 includes a drive shaft 441, a worm gear (not shown in the figure), a worm 442, two high-position connecting ropes 443, two low-position connecting ropes 444, four fixed pulleys 445 inside the housing and four fixed pulleys 446 outside the housing. The drive shaft 441 is rotatably connected to the inner wall of the installation housing 41 along the width direction of the channel groove, and the rotating shafts of the two moving wheels 42 are both connected to the drive shaft 441. Anti-slip grooves 421 are formed on the wheel surfaces of the moving wheels 42 along the circumferential direction to prevent the moving wheels 42 from slipping easily; the worm gear is arranged in the middle of the shaft body of the drive shaft 441, the motor 45 is arranged inside the installation housing 41, the worm 442 is connected to the output shaft of the motor 45 and meshes with the worm gear. Two reciprocating screw-type threaded sections are formed on the shaft body of the drive shaft 441 symmetrically with the worm gear as the center, and the two reciprocating screw-type threaded sections correspond to the two horizontal dirt scraping members 431 one by one. Each horizontal dirt scraping member 431 includes a telescopic cylinder 4311, a dirt scraping rod 4312 and a dirt scraping elastic member 4313. A threaded hole adapted to the reciprocating screw-type threaded section is formed on the cylinder body of the telescopic cylinder 4311, so that the drive shaft 441 can drive the horizontal dirt scraping member 431 to reciprocate along the reciprocating screw-type threaded section through self-rotation; the top end of the dirt scraping rod 4312 is inserted into the telescopic cylinder 4311 and can slide along the inner wall of the telescopic cylinder 4311. A waist-shaped relief hole is formed on the rod body of the dirt scraping rod 4312 along the vertical direction; two waist-shaped holes 411 are formed on the inner bottom wall of the installation housing 41 along the length direction of the drive shaft 441. The bottom end of each dirt scraping rod 4312 passes through a corresponding waist-shaped hole 411 and abuts against the bottom wall of the channel groove. The dirt scraping elastic member 4313 is arranged between the top end of the dirt scraping rod 4312 and the inner wall of the telescopic cylinder 4311. The dirt scraping elastic member 4313 can be a compression spring to apply a downward force to the dirt scraping rod 4312 through the dirt scraping elastic member 4313.

[0032] See Figure 1 and Figure 4, scraping grooves leading to the inside of the installation housing 41 are vertically formed on both side walls of the installation housing 41, each scraping groove corresponds to a vertical scraping member 432, and an external fixed pulley 446 is provided at each end of each scraping groove. One end of each vertical scraping member 432 abuts against the corresponding side wall of the channel groove, and the other end of each vertical scraping member 432 passes through the scraping groove and extends into the installation housing 41 and can move along the scraping groove. A pair of abutting protrusions are formed on the outer wall of each vertical scraping member 432, and the wall of the installation housing 41 is abutted between the pair of abutting protrusions; Four internal fixed pulleys 445 are arranged in pairs opposite to each other on the inner wall of the installation housing 41 with the motor 45 as the center, and each horizontal scraping member 431 is located between the corresponding two internal fixed pulleys 445 and the corresponding two external fixed pulleys 446. One end of each high-position connecting rope 443 is connected to the side of the corresponding horizontal scraping member 431 facing the scraping groove, the other end of each high-position connecting rope 443 passes through the through hole formed in the installation housing 41 and bypasses the external fixed pulley 446 at the top of the scraping groove and is connected to the top of the corresponding vertical scraping member 432. One end of each low-position connecting rope 444 is connected to the bottom of the corresponding vertical scraping member 432, and the other end of each low-position connecting rope 444 bypasses the external fixed pulley 446 at the bottom of the scraping groove and, after sequentially passing through the through hole formed in the installation housing 41 and the corresponding relief hole, bypasses the corresponding two internal fixed pulleys 445 and is connected to the side of the corresponding horizontal scraping member 431 facing away from the scraping groove; The above-mentioned high-position connecting rope 443 and low-position connecting rope 444 can be metal ropes with good corrosion resistance.

[0033] The decontamination principle of the farmland irrigation anti-seepage channel structure described in this application during non-irrigation time is as follows: The motor 45 can drive the drive shaft 441 to rotate through the cooperation of the worm gear and the worm 442, and the arrangement of the reciprocating screw type threaded section enables the horizontal scraping member 431 to abut against the hole wall of the waist-shaped hole 411 and reciprocate along the waist-shaped hole 411 when the drive shaft 441 rotates; When the horizontal scraping member 431 moves away from the scraping groove, the high-position connecting rope 443 will apply an upward force to the vertical scraping member 432 and cause the vertical scraping member 432 to move upward. When the horizontal scraping member 431 moves towards the scraping groove, the low-position connecting rope 444 will apply a downward force to the vertical scraping member 432 and cause the vertical scraping member 432 to move downward. Then, the motor 45 can drive the horizontal scraping member 431 and the vertical scraping member 432 to reciprocate to scrape the debris adhered to the channel groove wall while driving the moving wheel 42 to rotate, thereby realizing the scraping of the debris adhered to the channel groove wall; Since the top of the pressure plate 31 is higher than the bottom wall of the channel groove during non-irrigation time, when the transverse scraper 431 moves from the bottom wall of the channel groove to the pressure plate 31, the scraper rod 4312 can be retracted into the telescopic cylinder 4311. When the transverse scraper rod 4312 returns from the pressure plate 31 to the bottom wall of the channel groove, the scraper elastic member 4313 can drive the scraper rod 4312 to extend out of the telescopic cylinder 4311, so that the transverse scraper 431 can also scrape the top of the pressure plate 31.

[0034] The implementation principle of the farmland irrigation anti-seepage channel structure described in this application is: During irrigation, since the water flow in the channel is very large, the water pressure on the pressure plate 31 is also very large, which causes the pressure plate 31 to sink and push the piston rod 32 and the trash-blocking plate 2 downward through the transmission fluid so that the bottom end of the trash-blocking plate 2 is immersed in the water flow in the channel and blocks floating objects such as weeds and fallen leaves on the water flow, so that these floating objects will not be carried to the water outlet of the farmland irrigation channel by the water flow, and then the farmland irrigation anti-seepage channel structure is not easy to have the situation that the water outlet of the farmland irrigation channel is blocked by floating objects; During non-irrigation time, since the water flow in the channel trough is very small, the water pressure on the pressure plate 31 is also very small. At this time, the baffle elastic member 33 can apply an upward force to the trash-blocking plate 2, thereby causing the piston rod 32 and the trash-blocking plate 2 to move upward and push the pressure plate 31 upward through the transmission fluid so that the bottom end of the trash-blocking plate 2 is higher than the water flow in the channel trough and no longer blocks floating objects on the water flow, so that the water flow in the channel trough can bring some of the floating objects to the corners of the channel trough and other places where debris is easily accumulated, so that users can conveniently clean up these debris in a centralized manner.

[0035] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A farmland irrigation anti-seepage channel structure, characterized in that: It comprises a channel body (1) and a trash-blocking plate (2), wherein the channel body (1) is provided with a channel groove for accommodating water flow along its length direction; The trash retaining plate (2) is arranged in the channel trough, and the bottom end of the trash retaining plate (2) is immersed in the water flow.

2. The farmland irrigation anti-seepage channel structure according to claim 1, characterized in that: It also comprises a baffle driving assembly (3), the baffle (2) is slidably connected to the groove wall of the channel groove, the baffle driving assembly (3) is drivingly connected to the baffle (2), and during non-irrigation time, the baffle driving assembly (3) applies an upward force to the baffle (2) and makes the bottom end of the baffle (2) higher than the water flow; During irrigation time, the baffle driving assembly (3) applies a downward force to the trash-blocking plate (2) and causes the bottom end of the trash-blocking plate (2) to be immersed in the water flow.

3. The anti-seepage channel structure for farmland irrigation according to claim 2, characterized in that: The baffle driving assembly (3) comprises a pressing plate (31), a piston rod (32) and a baffle elastic member (33); a receiving groove is provided on the bottom wall of the channel groove; the side plate edge of the pressing plate (31) abuts against the inner wall of the receiving groove and can block the notch of the receiving groove; the bottom plate surface of the pressing plate (31) is inserted into the receiving groove and a liquid transfer cavity is formed between the pressing plate (31) and the bottom wall of the receiving groove; A slide groove is provided on the side wall of the channel groove, a piston cavity is provided along the interior of the channel body (1), the piston end of the piston rod (32) is arranged in the piston cavity and divides the interior of the piston cavity into a rod chamber and a rodless chamber, a through hole leading to the rod chamber is provided on the top wall of the slide groove in the vertical direction, the rod end of the piston rod (32) extends into the slide groove through the through hole and is connected to the dirt retaining plate (2), a connecting hole leading to the rodless chamber is provided on the wall of the liquid transfer chamber, and the liquid transfer chamber, the connecting hole and the rodless chamber are all filled with transmission fluid; The baffle elastic member (33) is arranged between the trash baffle plate (2) and the inner wall of the channel groove and is capable of applying an upward force to the trash baffle plate (2).

4. The anti-seepage channel structure for farmland irrigation according to claim 3, characterized in that: The baffle driving assembly (3) further comprises a water-isolating membrane (34), which is arranged between the top of the pressing plate (31) and the bottom wall of the channel groove and is capable of blocking the gap between the pressing plate (31) and the containing groove.

5. The farmland irrigation anti-seepage channel structure according to claim 1, characterized in that: A plurality of water-permeable holes (21) are provided on the plate surface of the dirt-blocking plate (2).

6. The anti-seepage channel structure for farmland irrigation according to claim 3, characterized in that: It also comprises a scraping component (4), which can move along the channel groove and scrape off the debris adhered to the wall of the channel groove during non-irrigation time.

7. The anti-seepage channel structure for farmland irrigation according to claim 6, characterized in that: The scraping assembly (4) comprises a mounting shell (41), a moving wheel (42), a scraping unit (43), a transmission unit (44) and a motor (45); a track groove is provided on the side wall of the channel groove along its length direction; the moving wheel (42) is arranged in the channel groove, and the rotating shaft of the moving wheel (42) is connected to the mounting shell (41); the motor (45) is arranged inside the mounting shell (41); the scraping unit (43) can abut against the channel groove wall; the motor (45) is transmission-connected to the moving wheel (42) and the scraping unit (43) via the transmission unit (44), and can drive the scraping unit (43) to move along the channel groove wall.

8. The farmland irrigation anti-seepage channel structure according to claim 7, characterized in that: The scraping unit (43) comprises a transverse scraping member (431) and a vertical scraping member (432); the transmission unit (44) comprises a driving shaft (441), a worm wheel, a worm (442), a high-position connecting rope (443), a low-position connecting rope (444), an inner fixed pulley (445) and two outer fixed pulleys (446); the driving shaft (441) is rotatably connected to the inner wall of the mounting housing (41) along the width direction of the channel groove; the worm wheel is arranged on the shaft body of the driving shaft (441); the worm (442) is connected to the output shaft of the motor (45) and meshes with the worm wheel; the driving shaft (441) is connected to the inner wall of the mounting housing (41) along the width direction of the channel groove; the worm wheel is arranged on the shaft body of the driving shaft (441); the worm (442) is connected to the output shaft of the motor (45) and meshes with the worm wheel; A reciprocating screw threaded section is provided on the shaft body of the driving shaft (441); a threaded hole matching the reciprocating screw threaded section is provided on the top of the transverse scraper (431) and the transverse scraper (431) is threadedly connected to the reciprocating screw threaded section via the threaded hole, so that the driving shaft (441) can drive the transverse scraper (431) to reciprocate along the reciprocating screw threaded section via self-rotation; a waist-shaped hole (411) is provided on the inner bottom wall of the mounting shell (41) along the length direction of the driving shaft (441); the bottom end of the transverse scraper (431) passes through the waist-shaped hole (411) and abuts against the bottom wall of the channel groove; A scraping groove is provided on the side wall of the installation shell (41) in the vertical direction, and an outer fixed pulley (446) is provided at each end of the scraping groove. One end of the vertical scraping member (432) is in contact with the side wall of the channel groove, and the other end of the vertical scraping member (432) is inserted into the scraping groove and can move along the scraping groove. A clearance hole is provided on the transverse scraping member (431) along the length direction of the driving shaft (441). The inner fixed pulley (445) is provided on the inner wall of the installation shell (41), and the transverse scraping member (431) is located between the inner fixed pulley (445) and the two outer fixed pulleys (446). One end of the high-position connecting rope (443) is connected to the transverse connecting rope (443). The vertical scraping member (431) is connected to the side of the scraping groove, the other end of the high-position connecting rope (443) passes through the through hole provided in the mounting shell (41) and bypasses the fixed pulley (446) outside the shell located at the top of the scraping groove to be connected to the top of the vertical scraping member (432), one end of the low-position connecting rope (444) is connected to the bottom of the vertical scraping member (432), the other end of the low-position connecting rope (444) bypasses the fixed pulley (446) outside the shell located at the bottom of the scraping groove and passes through the through hole provided in the mounting shell (41) and the clearance hole in sequence, bypasses the fixed pulley (445) inside the shell to be connected to the side of the horizontal scraping member (431) facing away from the scraping groove.

9. The farmland irrigation anti-seepage channel structure according to claim 8, characterized in that: The transverse dirt scraping member (431) comprises a telescopic cylinder (4311), a dirt scraping rod (4312) and a dirt scraping elastic member (4313); the threaded hole is provided on the body of the telescopic cylinder (4311); the top end of the dirt scraping rod (4312) is inserted into the telescopic cylinder (4311) and can slide along the inner wall of the telescopic cylinder (4311); the waist-shaped clearance hole is provided on the body of the dirt scraping rod (4312) in the vertical direction; the bottom end of the dirt scraping rod (4312) passes through the waist-shaped hole (411) and abuts against the bottom wall of the channel groove; the dirt scraping elastic member (4313) is provided between the top end of the dirt scraping rod (4312) and the inner wall of the telescopic cylinder (4311) and can apply a downward force to the dirt scraping rod (4312).

10. The farmland irrigation anti-seepage channel structure according to claim 7, characterized in that: The wheel surface of the moving wheel (42) is provided with anti-skid grooves (421) along the circumferential direction.

Images