A farmland automatic drainage device with collection and cleaning functions

Abstract

The invention discloses an automatic drainage device for farmland with a collection and cleaning function, comprising a base, a groove is provided at the rear end of the base, and the groove runs through the upper and lower ends of the base; a mounting shell is fixedly connected to the upper end of the base, the front end and the upper end of the mounting shell are both openly arranged, a water retaining structure is fixedly connected to the lower inner wall of the mounting shell, the front end surface of the water retaining structure abuts against a filtering structure, the filtering structure is inserted at the upper end of the water retaining structure, a drainage structure and a slag collecting structure are inserted at the upper end of the water retaining structure, two slag collecting structures are provided and are respectively located at the left and right sides of the drainage structure, and the drainage structure is transmission-connected to two slag collecting nodes. The invention can realize automatic control of the water level and automatic discharge of excess water, so that the water level in the farmland can be controlled at different growth periods of rice seedlings, and the practicability is high; when draining water, the slag collecting structure 6 is driven by water flow to separate and collect impurities, which has an energy-saving effect and improves practicability.

Description

Technical Field

[0001] The invention relates to the technical field of drainage, and in particular to an automatic farmland drainage device with a collecting and cleaning function. Background Art

[0002] When planting rice in agriculture, when the rainfall is heavy, especially during the rainy season in southern my country, the continuous rainfall makes the farmland and drainage canals full of water; the water in the farmland submerges the rice seedlings; when the rice seedlings are submerged, the ventilation is poor, the photosynthesis is blocked, the respiratory consumption increases, and the physiological activities are greatly affected; when the rice seedlings are soaked in rain for a long time, the whole plant will die; thus greatly increasing the planting cost of farmers and delaying the normal farming of farmers; causing huge losses to the vast number of farmers, and then bringing huge losses to the country. In order to minimize the losses caused by the high water level submerging the rice seedlings, farmers need to check the water level of the farmland from time to time, and open the drainage manually when the water level is too high, which greatly increases the labor intensity and is prone to the situation that the rice seedlings have been submerged due to untimely drainage; at the same time, when draining, the debris in the farmland is directly discharged into the canal, and these impurities will affect the normal water transportation of the canal. Therefore, we propose an automatic drainage device for farmland with collection and cleaning functions. Summary of the invention

[0003] The main purpose of the present invention is to provide an automatic farmland drainage device with a collecting and cleaning function, which can effectively solve the problems in the background technology.

[0004] To achieve the above object, the technical solution adopted by the present invention is:

[0005] The invention discloses an automatic drainage device for farmland with collecting and cleaning functions, comprising a base, which is embedded in the ridge of the farmland, with the front end of the base facing the farmland, and a groove is provided at the rear end of the base, and the groove runs through the upper and lower ends of the base; a mounting shell is fixedly connected to the upper end of the base, and the front end and the upper end of the mounting shell are both open, and a water retaining structure is fixedly connected to the lower inner wall of the mounting shell, and the front end face of the water retaining structure is the side facing the farmland, and the front end face of the water retaining structure abuts against a filtering structure, and the filtering structure is inserted at the upper end of the water retaining structure, and a drainage structure and a slag collecting structure are inserted at the upper end of the water retaining structure, and two slag collecting structures are provided and are respectively located on the left and right sides of the drainage structure, and the drainage structure is transmission-connected to the two slag collecting structures; water filtered by the filtering structure is discharged through the drainage structure, and impurities left after filtering by the filtering structure are received by the slag collecting structure.

[0006] Preferably, a through drainage hole No. 1 is provided on both sides of the rear end of the installation shell, and a through perforation and a No. 2 drainage hole are provided on the lower inner wall of the installation shell. The perforation and the No. 2 drainage hole are connected to the groove, and two perforations are provided and are respectively located on the left and right sides of the No. 2 drainage hole; the water retaining structure includes a V-shaped No. 1 water guide plate, the No. 1 water guide plate points to the farmland, and the No. 1 water baffle plate and the partition are fixedly connected to the left and right sides of the rear end of the No. 1 water guide plate, the No. 1 water baffle plate and the partition are all fixed on the lower inner wall of the installation shell; the No. 1 water baffle plate and the partition are perpendicular to each other, and the two partitions are both abutted against the rear inner wall of the installation shell, and the two No. 1 water baffle plates are respectively abutted against the left and right inner walls of the installation shell, the No. 2 drainage hole is located between the two partitions, the perforation is located between the partition and the installation shell, and the No. 1 drainage hole corresponds to the position of the perforation; slots are provided at the upper ends of the two partitions, and the slots pass through the connection between the No. 1 water guide plate, the No. 1 water baffle plate and the partition from front to back.

[0007] Preferably, the filtering structure includes a V-shaped No. 2 water guide plate, which points to the farmland, and a No. 2 water baffle plate is fixedly connected to the left and right sides of the rear end of the No. 2 water guide plate, and a V-shaped No. 1 filter plate is fixedly connected to the upper end of the No. 2 water guide plate, and the No. 1 filter plate points to the farmland, and a No. 2 filter plate is fixedly connected to the left and right sides of the lower end of the No. 1 filter plate, and the No. 2 filter plate extends downward to the rear of the No. 2 water baffle plate and is fixed to the rear end of the No. 2 water baffle plate; the two No. 2 water baffle plates are respectively abutted against the left and right inner walls of the mounting shell.

[0008] Preferably, the No. 2 water guide plate is attached to the front surface of the No. 1 water guide plate, the two No. 2 water baffles are respectively attached to the front surfaces of the two No. 1 water baffles, and the two No. 2 filter plates are respectively inserted into the two slots; a lifting plate is fixedly connected to the upper ends of the two No. 2 filter plates, a driving frame is vertically threaded on the lifting plate, a No. 1 mounting plate is provided on the driving frame through a bearing movable sleeve, and the No. 1 mounting plate is fixed to the upper end of the mounting shell.

[0009] Preferably, the drainage structure includes a mounting block abutting between the left and right partitions, the mounting block is provided with a water guide groove which passes through from top to bottom, a turbine is movably embedded on the groove wall of the water guide groove, a driving rod is fixedly connected to the middle part of the lower end of the turbine, the lower end of the driving rod passes downward through the No. 2 drainage hole and is fixedly connected to a driving bevel gear; bevel gear rods are meshed on the left and right sides of the driving bevel gear, the two bevel gear rods are installed in the groove through a shaft seat, and a transmission bevel gear is fixedly connected to the other ends of the two bevel gear rods, and the two transmission bevel gears are respectively connected to the two slag collecting structures in a transmission manner.

[0010] Preferably, the slag collecting structure includes a square tube embedded between the partition and the mounting shell, a filter residue barrel is inserted at the upper end of the square tube, the filter residue barrel extends downward into the square tube, and a transmission rod is provided in the filter residue barrel and vertically movably penetrates the lower inner wall surface and the lower end surface of the filter residue barrel, and the lower end of the transmission rod is fixed to the transmission bevel gear; a filter press plate and a spring are sleeved on the transmission rod, one end of the spring is fixed to the upper end of the filter press plate, and an adjusting rod is fixed to the other end of the spring, the adjusting rod is a cross-shaped rod and is movably inserted in the upper end of the transmission rod; a through No. 3 drainage hole is provided at the rear end of the square tube, and a through filter hole is provided at the lower peripheral side of the filter residue barrel.

[0011] Preferably, the transmission rod passes through the through hole, and a transmission groove is opened on the peripheral side of the transmission rod, the transmission groove passes through the upper end surface of the transmission rod, the filter press plate is embedded in the transmission groove, and the filter press plate is located in the filter residue barrel; the spring is fixed to the lower end of the transverse part of the adjusting rod, and a No. 3 mounting plate is provided on the upper end movable sleeve of the adjusting rod, the No. 3 mounting plate is abutted against the upper end of the transverse part of the adjusting rod, and the No. 2 mounting plate is fixed to the rear end of the No. 3 mounting plate.

[0012] Preferably, the No. 2 mounting plate is an L-shaped plate, and the No. 2 mounting plate abuts against the rear inner wall and the upper end of the mounting shell, the No. 2 mounting plate is fixed to the upper end of the filter residue barrel, and a hanger is installed through the upper end thread of the No. 2 mounting plate, and the hanger is threadedly connected to the upper end of the mounting shell.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. By setting the water retaining structure and the filtering structure, when the upper end surface of the No. 2 water retaining plate is flush with the upper end surface of the No. 1 water retaining plate, or when the upper end surface of the No. 2 water retaining plate is lower than the upper end surface of the No. 1 water retaining plate, the upper end surface height of the No. 1 water retaining plate is the lowest liquid level height; when the upper end surface of the No. 2 water retaining plate is higher than the upper end surface of the No. 1 water retaining plate, the upper end surface height of the No. 2 water retaining plate is the permissible liquid level height of the farmland; when the liquid level in the farmland is higher than the upper end surface of the No. 1 water retaining plate or higher than the upper end surface of the No. 2 water retaining plate, the water in the farmland is discharged; and, by rotating the driving frame, the No. 2 water retaining plate and the No. 2 water guide plate are moved up, and the moving up height is controlled, so that To control the permitted water level in the farmland, and when the water level in the farmland is higher than the permitted water level, the excess water can be automatically discharged, so that the water level can be automatically controlled when the rainfall is heavy or during the rainy season, and the excess water can be automatically discharged to avoid the rice seedlings being damaged by the excessively high water level and the situation where the rice seedlings are damaged by the flooding due to untimely drainage. At the same time, by controlling the upward movement height of the No. 2 water baffle and the No. 2 water guide plate, the highest water level in the farmland can be controlled, so that the water level in the farmland can be controlled during different growth periods of the rice seedlings, which is highly practical and can effectively reduce labor intensity.

[0015] 2. By setting a drainage structure, when the drainage structure drains water, the turbine is driven by the water flow to rotate, driving the left and right slag collecting structures to move, so that the transmission rod rotates, driving the filter press plate to rotate, so that the spring and the adjusting rod rotate, and the filter press plate rotates to press the impurities in the filter residue barrel, pressing the impurities under the filter press plate, so that the impurities move to the bottom of the filter residue barrel, promoting the discharge of water in the filter residue barrel, and improving the filtering effect of the filter holes. As the impurities under the filter press plate increase, the filter press plate moves up and compresses the spring, which can increase the downward pressure on the impurities, compact the impurities, so that the filter residue barrel can accommodate more impurities, extend the cleaning cycle of the filter residue barrel, and improve practicality; the effect of separating and collecting impurities by using water flow to drive the slag collecting structure to move is achieved, which has an energy-saving effect and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an overall structural diagram of an automatic farmland drainage device with a collection and cleaning function according to the present invention;

[0017] Figure 2 It is a rear structural schematic diagram of an automatic farmland drainage device with a collection and cleaning function according to the present invention;

[0018] Figure 3 is a structural schematic diagram of a water retaining structure;

[0019] Figure 4 is a structural diagram of the filtering structure;

[0020] Figure 5 It is a structural diagram of the drainage structure;

[0021] Figure 6 It is a structural schematic diagram of the slag collection structure.

[0022] In the figure: 1, base; 101, groove; 2, mounting shell; 21, drainage hole No. 1; 22, perforation; 23, drainage hole No. 2; 3, water retaining structure; 4, filtering structure; 5, drainage structure; 6, slag collecting structure; 7, mounting plate No. 1; 8, driving frame; 9, lifting plate; 10, mounting plate No. 2; 11, mounting plate No. 3; 12, hanging bracket; 13, bevel gear rod; 14, driving bevel gear; 31, water guide plate No. 1; 32, water retaining plate No. 1 ; 33. Partition; 331. Slot; 41. No. 2 water guide plate; 42. No. 2 water baffle; 43. No. 1 filter plate; 44. No. 2 filter plate; 51. Mounting block; 52. Water guide groove; 53. Turbine; 54. Drive rod; 55. Drive bevel gear; 61. Square tube; 611. No. 3 drain hole; 62. Filter residue barrel; 621. Filter hole; 63. Drive rod; 631. Drive groove; 64. Filter press plate; 65. Adjustment rod; 66. Spring. Implementation

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] like Figure 1-6 As shown, an automatic drainage device for farmland with a collecting and cleaning function includes a base 1, which is embedded in the ridge of the farmland, the front end of the base 1 faces the farmland, and the rear end of the base 1 is provided with a groove 101, and the groove 101 runs through the upper and lower ends of the base 1; a mounting shell 2 is fixedly connected to the upper end of the base 1, and the front end and the upper end of the mounting shell 2 are both open, and a water retaining structure 3 is fixedly connected to the lower inner wall of the mounting shell 2, the front end face of the water retaining structure 3 is the side facing the farmland, and the front end face of the water retaining structure 3 is abutted against a filtering structure 4, and the filtering structure 4 is inserted at the upper end of the water retaining structure 3, and the filtering structure 4 can be relatively The structure 3 moves upward to adjust the water retaining height, and the water level in the farmland is discharged when it exceeds the water retaining height, thereby controlling the water level in the farmland; a drainage structure 5 and a slag collecting structure 6 are inserted at the upper end of the water retaining structure 3, and two slag collecting structures 6 are provided and are respectively located on the left and right sides of the drainage structure 5, and the drainage structure 5 is transmission-connected to the two slag collecting structures 6; the water filtered by the filtering structure 4 is discharged through the drainage structure 5, and the impurities left after filtering by the filtering structure 4 are received by the slag collecting structure 6; the drainage structure 5 plays the role of main drainage, and the slag collecting structure 6 mainly plays the role of collecting impurities flowing into the device with the water flow, and can also play the role of auxiliary drainage.

[0027] Furthermore, a through drainage hole 21 is provided on both sides of the left and right sides of the rear end of the installation shell 2, and the No. 1 drainage holes 21 on the left and right sides respectively cooperate with the slag collecting structures 6 on the left and right sides, so that the water in the slag collecting structure 6 can be discharged; a through through hole 22 and a No. 2 drainage hole 23 are provided on the lower inner wall of the installation shell 2, and the perforation 22 and the No. 2 drainage hole 23 are both connected to the groove 101, and there are two perforations 22 and they are respectively located on the left and right sides of the No. 2 drainage hole 23; the water retaining structure 3 includes a V-shaped No. 1 water guide plate 31, and the No. 1 water guide plate 31 points to the farmland. When draining water, impurities in the water move to the left and right sides, which is convenient for the subsequent collection of impurities. The No. 1 water guide plate 31 is fixedly connected to the No. 1 water retaining plate 32 and the partition plate 33 on both sides of the rear end. The upper end surfaces of the plate 31, the No. 1 water baffle plate 32 and the partition plate 33 are flush, the No. 1 water guide plate 31, the No. 1 water baffle plate 32 and the partition plate 33 are all fixed on the lower inner wall of the installation shell 2; the No. 1 water baffle plate 32 and the partition plate 33 are perpendicular to each other, and the two partition plates 33 are both abutted against the rear inner wall of the installation shell 2, the two No. 1 water baffle plates 32 are respectively abutted against the left and right inner walls of the installation shell 2, the No. 2 drainage hole 23 is located between the two partition plates 33, the perforation 22 is located between the partition plate 33 and the installation shell 2, and the No. 1 drainage hole 21 corresponds to the perforation 22; slots 331 are provided at the upper ends of the two partition plates 33, the slots 331 penetrate the connection between the No. 1 water guide plate 31, the No. 1 water baffle plate 32 and the partition plate 33 front and back, and the slots 331 penetrate the rear end surface of the partition plate 33 backwards. Through the above, the water retaining structure 3 cooperates with the installation shell 2 to separate the drainage structure 5 and the slag collecting structure 6, which facilitates the use of the drainage structure 5 and the slag collecting structure 6.

[0028] As a further illustration of the above technical solution, the filtering structure 4 includes a V-shaped No. 2 water guide plate 41, which is attached to the front surface of the No. 1 water guide plate 31, and the No. 2 water guide plate 41 points to the farmland. The left and right sides of the rear end of the No. 2 water guide plate 41 are fixedly connected with No. 2 water baffle plates 42, and the No. 2 water guide plate 41 is flush with the upper end surface of the No. 2 water baffle plates 42. The two No. 2 water baffle plates 42 are respectively attached to the front surfaces of the two No. 1 water baffle plates 32, and the two No. 2 water baffle plates 42 are respectively abutted against the left and right inner walls of the mounting shell 2; the upper end of the No. 2 water guide plate 41 is fixedly connected to the No. 1 water baffle plates 32, and the No. 1 water baffle plates 32 are respectively attached to the left and right inner walls of the mounting shell 2; A V-shaped filter plate No. 1 43 is connected, and the filter plate No. 1 43 points to the farmland. The left and right sides of the lower end of the filter plate No. 1 43 are fixedly connected with the filter plate No. 2 44. The filter plate No. 1 43 and the filter plate No. 2 44 both play a filtering role, so that impurities in the water remain on the outside of the filter plate No. 1 43 and the filter plate No. 2 44; the filter plate No. 2 44 extends downward to the rear of the No. 2 water baffle plate 42 and is fixed to the rear end of the No. 2 water baffle plate 42; the two filter plates No. 2 44 are respectively inserted into the two slots 331, and the filter plate No. 2 44 abuts against the rear inner wall of the mounting shell 2. Through the above, when the filtering structure 4 moves upward relative to the water retaining structure 3, the No. 2 water guide plate 41 moves up along the front surface of the No. 1 water guide plate 31, and the No. 2 water retaining plate 42 moves up along the front surface of the No. 1 water retaining plate 32. After the No. 1 filter plate 43 and the No. 2 filter plate 44 move up, the complete filtering effect can still be maintained to prevent unfiltered water from being discharged between the two No. 2 filter plates 44.

[0029] Furthermore, a lifting plate 9 is fixedly connected to the upper ends of the two No. 2 filter plates 44, and a driving frame 8 is vertically threaded on the lifting plate 9. A No. 1 mounting plate 7 is provided on the driving frame 8 through a bearing movable sleeve. The No. 1 mounting plate 7 is fixed to the upper end of the mounting shell 2. By rotating the driving frame 8, the lifting plate 9 can be driven to move up and down, thereby driving the entire filtering structure 4 to move up and down, thereby realizing the adjustment of the height of the filtering structure 4. Through the above, when the upper end surface of the No. 2 water baffle 42 is flush with the upper end surface of the No. 1 water baffle 32, or the upper end surface of the No. 2 water baffle 42 is lower than the upper end surface of the No. 1 water baffle 32, the upper end surface height of the No. 1 water baffle 32 is the minimum liquid level height, and when the upper end surface of the No. 2 water baffle 42 is higher than the upper end surface of the No. 1 water baffle 32, the upper end surface height of the No. 2 water baffle 42 is the permissible liquid level height of the farmland. When the liquid level in the farmland is higher than the upper end surface of the No. 1 water baffle 32 or higher than the upper end surface of the No. 2 water baffle 42, the water in the farmland is discharged; and, by rotating the driving frame 8, the No. 2 water baffle 42 and the No. 2 water guide plate 41 are moved up, And the upward movement height can be controlled, so that the permitted water level in the farmland can be controlled, and when the water level in the farmland is higher than the permitted water level, the excess water can be automatically discharged, so that the water level can be automatically controlled when the rainfall is heavy or during the rainy season, and the excess water can be automatically discharged to avoid the rice seedlings being damaged by the high water level and the rice seedlings being damaged by the water due to untimely drainage; at the same time, by controlling the upward movement height of the No. 2 water retaining plate 42 and the No. 2 water guide plate 41, the highest water level in the farmland can be controlled, so that the water level in the farmland can be controlled during different growth periods of the rice seedlings, and the practicability is high.

[0030] As a further explanation of the above technical solution, the drainage structure 5 includes a mounting block 51 abutting between the left and right partitions 33, and a water guide groove 52 is provided on the mounting block 51, which is through from top to bottom, and the water guide groove 52 is a variable diameter groove with large ends and small middle, so that when water passes through the water guide groove 52 from top to bottom, the flow rate will be increased; a turbine 53 is movably embedded on the groove wall surface of the water guide groove 52, and the turbine 53 is located in the middle of the water guide groove 52. The water entering from the upper end of the water guide groove 52 impacts the turbine 53, driving the turbine 53 to rotate; a driving rod 54 is fixedly connected to the middle of the lower end of the turbine 53, and the lower end of the driving rod 54 downwardly penetrates the No. 2 drainage hole 23 and is fixedly connected to the driving bevel gear 5 5; Bevel gear rods 13 are meshed on the left and right sides of the driving bevel gear 55, and the two bevel gear rods 13 are installed in the groove 101 through the shaft seat, and the other ends of the two bevel gear rods 13 are fixedly connected with transmission bevel gears 14, and the two transmission bevel gears 14 are respectively connected to the two slag collecting structures 6 in transmission; the turbine 53 rotates, so that the driving rod 54 and the driving bevel gear 55 rotate, and the left and right bevel gear rods 13 are driven to rotate, so that the left and right transmission bevel gears 14 are driven, thereby driving the left and right slag collecting structures 6 to move, realizing the linkage effect, and realizing the effect of using water flow to drive the slag collecting structure 6 to move and separate and collect impurities when draining water, achieving energy-saving effect and improving practicality.

[0031] As a further illustration of the above technical solution, the slag collecting structure 6 includes a square tube 61 embedded between the partition 33 and the mounting shell 2, a filter residue barrel 62 is inserted at the upper end of the square tube 61, and the filter residue barrel 62 extends downward into the square tube 61. A transmission rod 63 is provided in the filter residue barrel 62 to vertically move through the lower inner wall surface and the lower end surface of the filter residue barrel 62, and the filter residue barrel 62 can rotate and move up and down relative to the transmission rod 63; the lower end of the transmission rod 63 is fixed to the transmission bevel gear 14, and the rotation of the transmission bevel gear 14 drives the transmission rod 63 to rotate; a filter press plate 64 and a spring 66 are sleeved on the transmission rod 63, and the spring One end of spring 66 is fixed to the upper end of filter press plate 64, and the other end of spring 66 is fixed with adjusting rod 65, which is a cross-shaped rod and movably inserted at the upper end of transmission rod 63, transmission rod 63 and adjusting rod 65 are detachably connected, and adjusting rod 65 can be pulled out of transmission rod 63 from above or inserted into transmission rod 63; a through No. 3 drainage hole 611 is provided at the rear end of square tube 61, and a through filter hole 621 is provided at the lower part of the peripheral side of filter residue barrel 62, and filter hole 621 is used for filtering to keep impurities in filter residue barrel 62, and filtered water is discharged through No. 3 drainage hole 611.

[0032] Furthermore, the transmission rod 63 passes through the through hole 22, and a transmission groove 631 is provided on the peripheral side of the transmission rod 63, and the transmission groove 631 passes through the upper end surface of the transmission rod 63, and the filter press plate 64 is embedded in the transmission groove 631. The filter press plate 64 is located in the filter residue barrel 62, and a No. 3 mounting plate 11 is movably sleeved on the upper end of the adjusting rod 65. Through the above, when the transmission rod 63 rotates, the filter press plate 64 is driven to rotate, so that the spring 66 and the adjusting rod 65 rotate, and the filter press plate 64 rotates to press the impurities in the filter residue barrel 62, and the impurities are pressed under the filter press plate 64, so that the impurities are moved to the filter residue barrel. The bottom surface of barrel 62 moves, which promotes the discharge of water in the filter residue barrel 62 and improves the filtering effect of the filter hole 621. As the impurities under the filter press plate 64 increase, the filter press plate 64 moves up and compresses the spring 66, which can increase the downward pressure on the impurities and compact the impurities, so that the filter residue barrel 62 can accommodate more impurities, extend the cleaning cycle of the filter residue barrel 62, and improve practicality; the spring 66 is fixed to the lower end of the transverse part of the adjusting rod 65, the No. 3 mounting plate 11 is abutted against the upper end of the transverse part of the adjusting rod 65, and the No. 2 mounting plate 10 is fixed to the rear end of the No. 3 mounting plate 11.

[0033] Furthermore, the No. 2 mounting plate 10 is an L-shaped plate, and the No. 2 mounting plate 10 is abutted against the rear inner wall and the upper end of the mounting shell 2. The No. 2 mounting plate 10 is fixed to the upper end of the filter residue barrel 62. The upper end of the No. 2 mounting plate 10 is threadedly installed with a hanger 12, and the hanger 12 is threadedly connected to the upper end of the mounting shell 2. When the hanger 12 is rotated and the hanger 12 is disengaged from the mounting shell 2, the filter residue barrel 62 can be pulled out by pulling up the hanger 12, so that the filter residue barrel 62 moves upward along the transmission rod 63, and the filter residue barrel 62 is pulled out to clean the impurities in the filter residue barrel 62; through the above, the installation and removal of the filter residue barrel 62 can be facilitated, and the use of the filter residue barrel 62 is convenient.

[0034] It should be noted that the present invention is an automatic drainage device for farmland with a collection and cleaning function. When in use, the base 1 is embedded in the ridge of the farmland, with the front end of the base 1 facing the farmland, and the base 1 is immersed below the farmland soil surface, so that the water retaining structure 3 sinks to a position where the middle of the front end of the water retaining structure 3 is level with the farmland soil surface, and the height position of the upper end surface of the No. 1 water retaining plate 32 is used as the lowest height position of the farmland water level. When draining water, water flows to the drainage device and is filtered by the No. 1 filter plate 43 and the No. 2 filter plate 44. The filtered water enters between the two No. 2 filter plates 44 and flows into the water guide trough 52, pushing the turbine 53 to rotate, causing the drive rod 54 and the drive bevel gear 55 to rotate, driving the transmission bevel gear 14 to rotate, and then causing the transmission rod 63 to rotate, driving the filter plate 64 to rotate;

[0035] The impurities retained by the filtration flow into the filter residue barrel 62 under the action of the water flow, and are accumulated at the bottom of the filter residue barrel 62 under the action of the rotating filter press plate 64. The water that enters the filter residue barrel 62 along with the impurities is discharged through the filter hole 621 and the No. 3 drainage hole 611.

[0036] When it is necessary to adjust the water level of the farmland, rotate the drive frame 8, pull up the lifting plate 9, move the filtering structure 4 upward, move the upper end of the No. 2 water baffle plate 42 above the upper end of the No. 1 water baffle plate 32, and make the height position of the upper end surface of the No. 2 water baffle plate 42 as the height position of the farmland water level; by controlling the upward moving distance of the No. 2 water baffle plate 42, the height of the farmland water level is controlled.

[0037] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An automatic farmland drainage device with a collection and cleaning function, comprising a base (1), characterized in that: The base (1) is embedded in the ridge of the farmland, the front end of the base (1) faces the farmland, the rear end of the base (1) is provided with a groove (101), and the groove (101) runs through the upper and lower ends of the base (1); a mounting shell (2) is fixedly connected to the upper end of the base (1), the front end and the upper end of the mounting shell (2) are both open, and a water retaining structure (3) is fixedly connected to the lower inner wall of the mounting shell (2), the front end of the water retaining structure (3) is the side facing the farmland, and the water retaining structure (3) is The front end surface of the structure (3) is in contact with a filtering structure (4), the filtering structure (4) is inserted at the upper end of the water retaining structure (3), a drainage structure (5) and a slag collecting structure (6) are inserted at the upper end of the water retaining structure (3), two slag collecting structures (6) are provided and are respectively located on the left and right sides of the drainage structure (5), and the drainage structure (5) is transmission-connected to the two slag collecting structures (6); water filtered by the filtering structure (4) is discharged through the drainage structure (5), and impurities left after being filtered by the filtering structure (4) are received by the slag collecting structure (6); A through No. 1 drainage hole (21) is provided on both left and right sides of the rear end of the installation shell (2); a through through hole (22) and a No. 2 drainage hole (23) are provided on the lower inner wall of the installation shell (2); the through hole (22) and the No. 2 drainage hole (23) are both connected to the groove (101); two through holes (22) are provided and are respectively located on the left and right sides of the No. 2 drainage hole (23); the water retaining structure (3) comprises a V-shaped No. 1 water guide plate (31); the No. 1 water guide plate (31) points to the farmland; the No. 1 water guide plate (32) and a partition plate (33) are fixedly connected to the left and right sides of the rear end of the No. 1 water guide plate (31); the No. 1 water guide plate (32) and the partition plate (33) are fixedly connected to the No. 1 water guide plate (31); the No. 1 water guide plate (32) and the partition plate (33) are fixedly connected to the farmland; The first water baffle (32) and the partition (33) are perpendicular to each other, and the two partitions (33) are in contact with the rear inner wall of the installation shell (2). The two first water baffles (32) are in contact with the left and right inner walls of the installation shell (2), respectively. The second drainage hole (23) is located between the two partitions (33), and the through hole (22) is located between the partition (33) and the installation shell (2). The first drainage hole (21) corresponds to the through hole (22). A slot (331) is provided at the upper ends of the two partitions (33), and the slot (331) passes through the connection between the first water baffle (31), the first water baffle (32) and the partition (33) from front to back. The filtering structure (4) comprises a V-shaped No. 2 water guide plate (41), the No. 2 water guide plate (41) points to the farmland, the rear end of the No. 2 water guide plate (41) is fixedly connected to the left and right sides thereof with a No. 2 water baffle plate (42), the upper end of the No. 2 water guide plate (41) is fixedly connected to the No. 1 V-shaped filter plate (43), the No. 1 filter plate (43) points to the farmland, the lower end of the No. 1 filter plate (43) is fixedly connected to the left and right sides thereof with a No. 2 filter plate (44), the No. 2 filter plate (44) extends downward to the rear of the No. 2 water baffle plate (42) and is fixed to the rear end of the No. 2 water baffle plate (42); the two No. 2 water baffle plates (42) are respectively in contact with the left and right inner walls of the mounting shell (2); The second water guide plate (41) is attached to the front surface of the first water guide plate (31), the two second water baffle plates (42) are respectively attached to the front surfaces of the two first water baffle plates (32), and the two second filter plates (44) are respectively inserted into the two slots (331); a lifting plate (9) is fixedly connected to the upper ends of the two second filter plates (44), a driving frame (8) is vertically threadedly penetrated on the lifting plate (9), a first mounting plate (7) is provided on the driving frame (8) through a bearing movable sleeve, and the first mounting plate (7) is fixed to the upper end of the mounting shell (2); The drainage structure (5) comprises a mounting block (51) abutting between the left and right partitions (33); the mounting block (51) is provided with a water guide groove (52) penetrating from top to bottom; a turbine (53) is movably embedded on the groove wall surface of the water guide groove (52); a driving rod (54) is fixedly connected to the middle part of the lower end of the turbine (53); the lower end of the driving rod (54) passes through the No. 2 drainage hole (23) downward and is fixedly connected to a driving bevel gear (55); bevel gear rods (13) are meshed on the left and right sides of the driving bevel gear (55); the two bevel gear rods (13) are installed in the groove (101) through shaft seats; the other ends of the two bevel gear rods (13) are fixedly connected to a transmission bevel gear (14); the two transmission bevel gears (14) are respectively transmission-connected to the two slag collecting structures (6); The slag collecting structure (6) comprises a square tube (61) embedded between the partition plate (33) and the mounting shell (2), a filter residue bucket (62) is inserted at the upper end of the square tube (61), the filter residue bucket (62) extends downward into the square tube (61), and a transmission rod (63) is arranged in the filter residue bucket (62) and vertically moves through the lower inner wall surface and the lower end surface of the filter residue bucket (62), and the lower end of the transmission rod (63) is fixed to the transmission bevel gear (14); the transmission rod (63) ) is sleeved with a filter press plate (64) and a spring (66), one end of the spring (66) is fixed to the upper end of the filter press plate (64), and the other end of the spring (66) is fixed to an adjustment rod (65), the adjustment rod (65) is a cross-shaped rod and is movably inserted at the upper end of the transmission rod (63); a through No. 3 drainage hole (611) is provided at the rear end of the square tube (61), and a through filter hole (621) is provided at the lower part of the peripheral side of the filter residue barrel (62); The transmission rod (63) passes through the through hole (22), and a transmission groove (631) is provided on the peripheral side of the transmission rod (63), and the transmission groove (631) passes through the upper end surface of the transmission rod (63), and the filter press plate (64) is embedded in the transmission groove (631), and the filter press plate (64) is located in the filter residue barrel (62); the spring (66) is fixed to the lower end of the transverse part of the adjusting rod (65), and a third mounting plate (11) is movably sleeved on the upper end of the adjusting rod (65), and the third mounting plate (11) is abutted against the upper end of the transverse part of the adjusting rod (65), and the rear end of the third mounting plate (11) is fixed with a second mounting plate (10); The No. 2 mounting plate (10) is an L-shaped plate, and the No. 2 mounting plate (10) is in contact with the rear inner wall and the upper end of the mounting shell (2). The No. 2 mounting plate (10) is fixed to the upper end of the filter residue barrel (62), and a hanger (12) is installed through a thread on the upper end of the No. 2 mounting plate (10), and the hanger (12) is threadedly connected to the upper end of the mounting shell (2).

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