Channel cast iron gate system for agricultural irrigation

Abstract

The invention discloses a channel cast iron gate system for agricultural irrigation, relates to the technical field of agricultural irrigation, and has the advantage of reducing the problem that a cast iron gate cannot be opened and closed due to the use of a screw rod in the use process of the cast iron gate. According to the technical scheme, the gate comprises mounting plates which are vertically distributed in a left-right opposite mode and connecting plates arranged at the upper ends and the lower ends of the mounting plates, the two mounting plates are connected through a horizontal partition plate, a gate plate is connected between the two mounting plates in a sliding mode, and the gate plate penetrates through the partition plate; lifting assemblies for driving the gate plate to ascend and descend are arranged in the two mounting plates, each lifting assembly comprises a rack arranged on one side of the downstream face of the gate plate, the racks are distributed in the length direction of the gate plate, one end of each rack penetrates out of the corresponding partition plate, and a rotating shaft is rotationally connected between the two mounting plates; a main gear meshed with the rack is coaxially and fixedly arranged on the rotating shaft, and one end of the rotating shaft extends out of one mounting plate and is provided with a servo motor or a hand wheel.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural irrigation, in particular to a cast iron gate system for a channel used for agricultural irrigation. Background Art

[0002] Agricultural irrigation methods can generally be divided into traditional surface irrigation, ordinary sprinkler irrigation and micro-irrigation. Agricultural water conservancy engineering mainly studies the basic knowledge and skills of irrigation and drainage engineering, hydrology, hydraulics and engineering mechanics, with agricultural irrigation as the main focus. The gates used in agricultural irrigation technology centers are usually used to meet irrigation needs.

[0003] At present, ground irrigation is carried out through farmland channels. The cast iron gates between the farmland and the channels are opened. The channel cast iron gates, as the core components of irrigation, lead the industry with their unique advantages. Their structure is sturdy and durable, and the cast iron material creates extraordinary quality, and they remain stable after wind and rain.

[0004] The current cast iron gate device for agricultural irrigation generally includes a cement outer frame, a gate plate, and a screw. The cement outer frame is provided with two slide grooves and threaded holes. The two sides of the cast iron gate can be slidably inserted into the slide grooves respectively. The threaded end of the screw is threadedly connected to the threaded hole and connected to the gate. This cast iron gate device for agricultural irrigation has defects: since the screw is a slender rod, the screw often bends during use, causing the cast iron gate to be unable to open and close normally. Therefore, the applicant has developed a new technical solution in the actual production process to solve the above technical problems. Summary of the invention

[0005] In view of the above-mentioned technical deficiencies, the purpose of the present invention is to provide a cast iron gate system for agricultural irrigation channels, which has the advantage of reducing the problem of the cast iron gate being unable to be opened and closed due to the use of screws during the use of the cast iron gate.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions: The present invention provides a cast iron gate system for agricultural irrigation channels, comprising mounting plates relatively vertically distributed on the left and right sides and connecting plates arranged at the upper and lower ends of the mounting plates, the two mounting plates being connected by a horizontal partition, a gate plate being slidably connected between the two mounting plates, the gate plate passing through the partition, and a lifting assembly for driving the gate plate to be lifted and lowered being arranged in the two mounting plates; The lifting assembly includes a rack arranged on the back side of the gate plate, the rack is distributed along the length direction of the gate plate and one end of the rack passes through the partition plate, a rotating shaft is rotatably connected between the two mounting plates, a main gear meshing with the rack is coaxially fixed on the rotating shaft, and one end of the rotating shaft extends out of one of the mounting plates and is provided with a servo motor or a hand wheel; The two mounting plates are closed at both ends above the partition plate by vertical plates, and a space is formed by the two mounting plates, the two vertical plates, a partition plate and a connecting plate located above the mounting plates.

[0007] By adopting the above technical solution, the main gear on the shaft is rotated by rotating the shaft, driving the rack to move up and down, thereby facilitating the lifting and lowering of the gate plate. At this time, the rack is fixedly installed on the gate plate surface and is not easy to deform, thereby reducing the problem of the cast iron gate being unable to be opened and closed due to the use of screws.

[0008] Preferably, the two mounting plates are provided with a plurality of connecting rods along the length direction of the mounting plates, each connecting rod is provided with a guide wheel located on one side of the gate plate and rollingly connected to the gate plate, and each guide wheel located on the same mounting plate is located on the same straight line.

[0009] Preferably, the partition is provided with a cleaning piece for cleaning teeth on the rack on a side surface facing away from the rotating shaft.

[0010] Preferably, the cleaning member comprises a slideway arranged on a side of the partition away from the rotating shaft, the slideway is distributed perpendicularly to the length direction of the rack, and a slider is slidably connected to the slideway, the partition is rotatably connected to a turntable on one side of the slideway, a drive column is provided on the disk surface of the turntable and on the side surface of the slider away from the slideway, the partition is rotatably connected to a swing rod on the side surface away from the rotating shaft, the swing rod and the rotation connection point of the partition are distributed away from the turntable, the swing rod is provided with slide grooves for sliding two drive columns respectively, the slide grooves are distributed along the length direction of the swing rod, the slider is provided with a cleaning brush on the side facing the rack, when the swing rod drives the slider to slide on the slideway in the direction close to the rack to the direction closest to the rack, the bristles of the cleaning brush contact with the teeth of the rack; The partition plate is provided with a motor on one side facing the rotating shaft for driving the rotating disk to rotate.

[0011] Preferably, the two mounting plates are provided with vertical sealing strips that contact the gate plate below the partition, and the vertical sealing strips are located on the water-facing side of the gate plate. The connecting plate located at the lower end of the mounting plate and the partition are provided with transverse sealing strips that contact the water-facing side of the gate plate. The two vertical sealing strips and the two transverse sealing strips form a rectangle.

[0012] Preferably, the partition is provided with a push plate parallel to the gate plate on one side of the water-facing surface of the gate plate, and the partition is provided with a power member for driving the push plate to move toward or away from the gate plate.

[0013] Preferably, the power part includes a driving disk rotatably connected to a side of the partition away from the rotating shaft, the partition is provided with a guide rail located on one side of the driving disk, the length of the guide rail is distributed along the length of the slide, a moving block is slidably connected to the guide rail, the driving disk and the guide rail are both located on the side of the gate plate away from the slide, and the slide and the guide rail are opposite to each other, and the driving disk and the rotating disk are opposite to each other, and a swing plate is rotatably connected to the partition, one end of the swing plate is rotatably connected to the partition, and the rotation connection point is opposite to the rotation connection point of the swing rod and the partition, driving columns are provided on the disk surface of the driving disk and on the moving block, and moving grooves for sliding two driving columns are provided on the swing plate, and the moving grooves are distributed along the length direction of the swing plate, and a vertical rod extending downward and connected to the upper end of the push plate is provided on the moving block.

[0014] Preferably, a bevel driven gear coaxially distributed with the driving disk is rotatably provided on one side surface of the partition facing the rotating shaft, the bevel driven gear is coaxially fixedly distributed with the driving disk, the rotating disk is rotatably connected to the partition via a central axis rotatably connected to the partition, the upper end of the central axis passes through the partition and is coaxially fixedly connected to an active bevel gear, and a bevel driving gear meshing with the active bevel gear and the bevel driven gear respectively is rotatably connected to the mounting plate via a transverse axis, one end of the two transverse axes each passes through the mounting plate and is coaxially fixedly connected to a transition gear at the end that passes through, the two transition gears mesh with each other, and the motor is mounted on the outer wall of the mounting plate and drives one of the transverse axes to rotate.

[0015] Preferably, the push plate is arranged close to the lowermost transverse sealing strip, that is, the lower end surface of the push plate contacts the upper end surface of the transverse sealing strip.

[0016] Preferably, the height of the push plate is one third of the length of the vertical sealing strip.

[0017] The beneficial effect of the present invention is that by rotating the rotating shaft, the main gear on the rotating shaft rotates, driving the rack to move up and down, thereby facilitating the lifting and lowering of the gate plate. At this time, the rack is fixedly installed on the gate plate surface and is not easy to deform, thereby reducing the problem of the cast iron gate being unable to be opened and closed due to the use of screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of this embodiment; Figure 2This is a schematic diagram of the structure of the transverse sealing strip of this embodiment; Figure 3 This is a schematic diagram of the structure of the guide wheel of this embodiment; Figure 4 This is a schematic diagram of the structure of the rack in this embodiment; Figure 5 This is a schematic diagram of the structure of the swing rod in this embodiment; Figure 6 This is a schematic diagram of the structure of the vertical rod in this embodiment; Figure 7 Schematic diagram of the structure of the bevel drive gear in this embodiment.

[0020] Description of reference numerals: In the figure: 1, mounting plate; 11, connecting plate; 12, partition; 121, gate plate; 122, rack; 123, rotating shaft; 124, main gear; 125, hand wheel; 13, vertical plate; 14, guide wheel; 15, slideway; 151, slider; 152, turntable; 153, driving column; 154, swing rod; 155, slide groove; 156, cleaning brush; 16, vertical sealing strip; 161, horizontal sealing strip; 17, push plate; 171, driving disk; 172, guide rail; 173, moving block; 174, swing plate; 175, driving column; 176, moving groove; 177, vertical rod; 18, central axis; 181, active bevel gear; 182, horizontal axis; 183, bevel driving gear; 184, transition gear; 185, motor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] A cast iron gate system for agricultural irrigation channels, such as Figure 1 and Figure 3 , including two mounting plates 1 relatively vertically distributed on the left and right sides and connecting plates 11 arranged at the upper and lower ends of the two mounting plates 1, at this time, the mounting plates 1 and the connecting plates 11 form a round shape, the two mounting plates 1 are connected by a horizontal partition 12, and a gate plate 121 is slidably connected between the two mounting plates 1, and the gate plate 121 passes through the partition 12, that is, the partition 12 is provided with a hole for the gate plate 121 to be lifted and lowered, and a lifting component for driving the gate plate 121 to be lifted and lowered is provided in the two mounting plates 1; like Figure 1 and Figure 3When the lower end of the gate plate 121 drops to contact the connecting plate 11 below, the gate plate 121 blocks the water outflow. The gate plate 121 faces the water flow direction as the front surface, and faces away from the water flow direction as the back surface. That is, the front surface generally faces the upstream of the water flow.

[0023] like Figure 1 and Figure 3 and Figure 4 The lifting assembly includes a rack 122 arranged on the back side of the gate plate 121, the rack 122 is distributed along the length direction of the gate plate 121 and one end thereof passes through the partition 12. At this time, a hole for the rack 122 to be lifted and lowered along with the gate plate 121 may also be opened on the partition 12. The length of the rack 122 is also the length of the gate plate 121. A rotating shaft 123 is rotatably connected between the two mounting plates 1. The rotating shaft 123 is horizontally distributed. A main gear 124 meshing with the rack 122 is coaxially fixed on the rotating shaft 123. One end of the rotating shaft 123 extends out of one of the mounting plates 1 and is provided with a servo motor or a hand wheel 125; like Figure 1 and Figure 3 The two mounting plates 1 are closed at both ends above the partition 12 by vertical plates 13. The two mounting plates 1, the two vertical plates 13, a partition 12 and a connecting plate 11 located above the mounting plates 1 form a space, and the rotating shaft 123 and the main gear 124 are located in the space.

[0024] like Figure 3 and Figure 4 By rotating the rotating shaft 123, the main gear 124 on the rotating shaft 123 rotates, driving the rack 122 to move up and down, thereby driving the gate plate 121 to rise and fall. At this time, the rack 122 is fixedly installed on the surface of the gate plate 121 and is not easy to deform, thereby reducing the problem of the cast iron gate being unable to be opened and closed due to the use of screws.

[0025] like Figure 1 and Figure 2 The two mounting plates 1 are provided with a vertical sealing strip 16 that contacts the gate plate 121 below the partition 12. The vertical sealing strip 16 is located on the water-facing side of the gate plate 121. The connecting plate 11 located at the lower end of the mounting plate 1 and the partition 12 are provided with a transverse sealing strip 161 that contacts the water-facing side of the gate plate 121. The two vertical sealing strips 16 and the two transverse sealing strips 161 form a rectangle. At this time, a seal is formed between the gate plate 121 and the mounting plate 1, the connecting plate 11 and the partition 12, thereby reducing water passing through the gate plate 121.

[0026] like Figure 3 and Figure 5The two mounting plates 1 are provided with a plurality of connecting rods along the length direction of the mounting plates 1, and each connecting rod is provided with a guide wheel 14 which is located on one side of the gate plate 121 and is rollingly connected to the gate plate 121. The guide wheels 14 located on the same mounting plate 1 are located on the same straight line, and the guide wheels 14 are located on the side of the gate plate 121 facing away from the water surface. The setting of each guide wheel 14 guides the lifting and lowering of the gate plate 121, and limits the gate plate 121 between the vertical sealing strip 16 and the horizontal sealing strip 161.

[0027] like Figure 5 and Figure 6 and Figure 7 The partition plate 12 is provided with a cleaning piece for cleaning the teeth on the rack 122 on one side away from the rotating shaft 123. If the gate plate 121 cuts off the water flow, the lower end of the rack 122 is also located in the water surface. During the rising process of the gate plate 121, if the impurities on the rack 122 enter the position meshing with the main gear 124, it will affect the rising and falling of the gate plate 121. Therefore, a cleaning piece is needed to clean the impurities on the rising rack 122.

[0028] like Figure 5 and Figure 6 and Figure 7 The cleaning member includes a slideway 15 arranged on a side of the partition 12 away from the rotating shaft 123. The partition 12 is on a side away from the rotating shaft 123, that is, the lower end face of the partition 12. The slideway 15 is perpendicular to the length direction of the rack 122. The longitudinal section of the slideway 15 is an inverted dovetail groove, and both ends are through grooves. A slider 151 is slidably connected to the slideway 15. The partition 12 is rotatably connected to a turntable 152 on one side of the slideway 15. A driving column 153 is provided on the disk surface of the turntable 152 and on a side face of the slider 151 away from the slideway 15. The partition 12 is rotatably connected to a swing rod 154 on a side face away from the rotating shaft 123. One end of the swing rod 154 is rotatably connected to the partition 12 , and the rotation connection point is distributed away from the turntable 152, the swing rod 154 is provided with a slide groove 155 for the two driving columns 153 to slide, and the slide groove 155 is distributed along the length direction of the swing rod 154, and the slider 151 is provided with a cleaning brush 156 on the side facing the rack 122. When the swing rod 154 drives the slider 151 to slide on the slideway 15 in the direction close to the rack 122 to the direction closest to the rack 122, the bristles of the cleaning brush 156 are in contact with the teeth of the rack 122, which is convenient for cleaning impurities on the rack 122, and the bristles of the cleaning brush 156 are in contact with the rack 122, so that the rack 122 will not affect the lifting of the rack 122 during the lifting process; The partition plate 12 is provided with a motor 185 on one side facing the rotating shaft 123 for driving the rotating disk 152 to rotate.

[0029] like Figure 5 and Figure 6 and Figure 7The working principle of the cleaning part is as follows: the motor 185 drives the turntable 152 to rotate, so that the driving column 153 on the turntable 152 slides in the slide groove 155, and at this time drives the swing rod 154 to rotate around the rotation connection point with the partition 12, and at this time drives the driving column 153 on the slider 151 to slide in the slide groove 155. When the driving column 153 on the turntable 152 moves toward the direction of the rack 122, it drives the slider 151 to slide in the slide groove 155 toward the rack 122, so that the bristles of the cleaning brush 156 are in conflict with the rack 122, so that the gate plate 121 is During the rising process, the cleaning brush 156 keeps cleaning the teeth of the rack 122 that moves upward and enters above the partition 12; when cleaning is not needed, the motor 185 drives the turntable 152 to continue to rotate, so that the driving column 153 on the turntable 152 moves away from the rack 122, and then the slider 151 also slides away from the rack 122, so that the cleaning brush 156 is away from the rack 122, which is convenient for drying the cleaning brush 156; at this time, the motor 185 drives the cleaning brush 156 to move back and forth toward or away from the rack 122; the structural design is ingenious.

[0030] like Figure 5 and Figure 6 and Figure 7 A push plate 17 parallel to the gate plate 121 is provided on the side of the water-facing surface of the gate plate 121 of the partition 12. A power member is provided on the partition 12 to drive the push plate 17 to move toward or away from the gate plate 121. The push plate 17 is distributed close to the transverse sealing strip 161 located at the bottom, that is, the lower end surface of the push plate 17 contacts the upper end surface of the transverse sealing strip 161, and the height of the push plate 17 is one third of the length of the vertical sealing strip 16.

[0031] like Figure 5 and Figure 6 and Figure 7 When the gate plate 121 is opened, water flows through the gate plate 121. At this time, impurities are also easy to accumulate near the transverse sealing strip 161 at the bottom of the gate plate 121. The power part drives the push plate 17 to move toward or away from the gate plate 121, increasing the disturbance force on the water flowing at the bottom of the gate plate 121, thereby reducing the accumulation of impurities on the connecting plate 11 at the bottom of the gate plate 121, making it easier for the gate plate 121 to contact and seal with the transverse sealing strip 161 at the bottom after it descends.

[0032] like Figure 5 and Figure 6 and Figure 7The power member includes a driving disc 171 rotatably connected to the side of the partition 12 away from the rotating shaft 123. The partition 12 is provided with a guide rail 172 located on one side of the driving disc 171. The length of the guide rail 172 is distributed along the length of the slideway 15 and is in a straight line with the slideway 15. The longitudinal section of the guide rail 172 is an inverted dovetail groove, and both ends are through grooves. A moving block 173 is slidably connected to the guide rail 172. The driving disc 171 and the guide rail 172 are both located on the side of the gate plate 121 away from the slideway 15, and the slideway 15 and the guide rail 172 are opposite, and the driving disc 171 is connected to the gate plate 121. 71 is opposite to the turntable 152, and a pendulum plate 174 is rotatably connected to the partition 12. One end of the pendulum plate 174 is rotatably connected to the partition 12 and the rotation connection point is opposite to the rotation connection point of the pendulum rod 154 and the partition 12. Driving columns 175 are provided on the disk surface of the driving disk 171 and on the moving block 173. Moving grooves 176 for sliding of two driving columns 175 are opened on the pendulum plate 174, and the moving grooves 176 are distributed along the length direction of the pendulum plate 174. The moving block 173 is provided with a vertical rod 177 extending downward and connected to the upper end of the push plate 17.

[0033] like Figure 5 and Figure 6 and Figure 7 In order to drive the swing plate 174 to swing, a bevel driven gear coaxially distributed with the driving disk 171 is rotatably provided on one side surface of the partition 12 facing the rotating shaft 123, and the bevel driven gear is coaxially fixedly distributed with the driving disk 171. The rotating disk 152 is rotatably connected to the partition 12 by the central shaft 18 rotatably connected to the partition 12. The upper end of the central shaft 18 passes through the partition 12 and is coaxially fixedly connected with an active bevel gear 181. The mounting plate 1 is rotatably connected with a bevel driving gear 183 respectively meshing with the active bevel gear 181 and the bevel driven gear through a transverse shaft 182. One end of the two transverse shafts 182 passes through the mounting plate 1 and is coaxially fixedly connected with a transition gear 184 at the end that passes through. The two transition gears 184 mesh with each other, and the motor 185 is installed on the outer wall of the mounting plate 1 and drives one of the transverse shafts 182 to rotate.

[0034] like Figure 5 and Figure 6 and Figure 7 The motor 185 drives one transverse shaft 182 to rotate, and drives the other transverse shaft 182 to rotate through two meshing transition gears 184, so that the two transverse shafts 182 turn in opposite directions. The rotation of the two transverse shafts 182 causes the conical driving gear 183 to drive the conical driven gear and the active conical gear 181 to rotate, so that the moving block 173 on the guide rail 172 and the slider 151 on the slideway 15 both move toward the rack 122 at the same time, or move away from the rack 122 at the same time, so that after the gate plate 121 is opened, the push plate 17 can, under the action of the motor 185, drive the moving block 173 to move on the guide rail 172 through the swing of the swing plate 174, thereby realizing reciprocating swing and realizing the disturbance of the water flow.

[0035] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A cast iron gate system for agricultural irrigation channels, characterized in that: It comprises left and right relatively vertically distributed mounting plates (1) and connecting plates (11) arranged at the upper and lower ends of the mounting plates (1), the two mounting plates (1) being connected via a horizontal partition (12), a gate plate (121) being slidably connected between the two mounting plates (1), the gate plate (121) passing through the partition (12), and a lifting assembly for driving the gate plate (121) to rise and fall being arranged in the two mounting plates (1); The lifting assembly comprises a rack (122) arranged on the back side of the gate plate (121), the rack (122) being distributed along the length direction of the gate plate (121) and having one end extending through the partition plate (12); a rotating shaft (123) being rotatably connected between the two mounting plates (1); a main gear (124) meshing with the rack (122) being coaxially fixed on the rotating shaft (123); and one end of the rotating shaft (123) extending out of one of the mounting plates (1) and being provided with a servo motor or a hand wheel (125); The two mounting plates (1) are closed at both ends above the partition plate (12) by vertical plates (13); the two mounting plates (1), the two vertical plates (13), a partition plate (12) and a connecting plate (11) located above the mounting plates (1) form a space.

2. A cast iron gate system for agricultural irrigation channels as claimed in claim 1, characterized in that: The two mounting plates (1) are each provided with a plurality of connecting rods along the length direction of the mounting plates (1), each connecting rod being provided with a guide wheel (14) located on one side of the gate plate (121) and rollingly connected to the gate plate (121), and each guide wheel (14) located on the same mounting plate (1) is located on the same straight line.

3. A cast iron gate system for agricultural irrigation channels as claimed in claim 1, characterized in that: The partition plate (12) is provided with a cleaning piece on a side surface facing away from the rotating shaft (123) for cleaning the teeth on the rack (122).

4. A cast iron gate system for agricultural irrigation channels as claimed in claim 3, characterized in that: The cleaning member comprises a slideway (15) arranged on a side of the partition (12) away from the rotating shaft (123), the slideway (15) being arranged perpendicular to the length direction of the rack (122), and a slider (151) being slidably connected to the slideway (15), the partition (12) being rotatably connected to a turntable (152) on one side of the slideway (15), a driving column (153) being provided on the disk surface of the turntable (152) and on the side surface of the slider (151) away from the slideway (15), the partition (12) being rotatably connected to a swing rod (154) on the side surface away from the rotating shaft (123), the swing rod (154) being rotatably connected to the turntable (152) and the slider (151) being rotatably connected to the turntable (152). 154) and the partition (12) are connected with the rotating point away from the turntable (152), the swing rod (154) is provided with a slide groove (155) for two driving columns (153) to slide, and the slide groove (155) is distributed along the length direction of the swing rod (154), and the slider (151) is provided with a cleaning brush (156) on the side facing the rack (122), when the swing rod (154) drives the slider (151) to slide on the slideway (15) in a direction close to the rack (122) to the direction closest to the rack (122), the bristles of the cleaning brush (156) are in contact with the teeth of the rack (122); The partition plate (12) is provided with a motor (185) on a side surface facing the rotating shaft (123) for driving the rotating disk (152) to rotate.

5. A cast iron gate system for agricultural irrigation channels as claimed in claim 4, characterized in that: The two mounting plates (1) are provided with a vertical sealing strip (16) below the partition plate (12) and in contact with the gate plate (121); the vertical sealing strip (16) is located on the water-facing side of the gate plate (121); the connecting plate (11) located at the lower end of the mounting plate (1) and the partition plate (12) are provided with a transverse sealing strip (161) in contact with the water-facing side of the gate plate (121); the two vertical sealing strips (16) and the two transverse sealing strips (161) form a rectangle.

6. A cast iron gate system for agricultural irrigation channels as claimed in claim 4, characterized in that: The partition plate (12) is provided with a push plate (17) parallel to the gate plate (121) on one side of the water-facing surface of the gate plate (121), and a power member for driving the push plate (17) to move towards or away from the gate plate (121) is provided on the partition plate (12).

7. A cast iron gate system for agricultural irrigation channels as claimed in claim 6, characterized in that: The power member comprises a driving disk (171) rotatably connected to a side of the partition (12) away from the rotating shaft (123); a guide rail (172) located on one side of the driving disk (171) is provided on the partition (12); the length of the guide rail (172) is distributed along the length of the slideway (15); a moving block (173) is slidably connected to the guide rail (172); the driving disk (171) and the guide rail (172) are both located on a side of the gate plate (121) away from the slideway (15); the slideway (15) and the guide rail (172) are opposite to each other; the driving disk (171) and the rotating disk (152) are opposite to each other; the partition (12) A swing plate (174) is rotatably connected to the partition (12), one end of the swing plate (174) is rotatably connected to the partition (12), and the rotation connection point is opposite to the rotation connection point of the swing rod (154) and the partition (12), driving columns (175) are provided on the disk surface of the driving disk (171) and on the moving block (173), and the swing plate (174) is provided with moving grooves (176) for two driving columns (175) to slide, and the moving grooves (176) are distributed along the length direction of the swing plate (174), and the moving block (173) is provided with a vertical rod (177) extending downward and connected to the upper end of the push plate (17).

8. A cast iron gate system for agricultural irrigation channels as claimed in claim 7, characterized in that: A bevel driven gear coaxially distributed with the driving disk (171) is rotatably provided on a side surface of the partition (12) facing the rotating shaft (123); the bevel driven gear is coaxially fixedly distributed with the driving disk (171); the rotating disk (152) is rotatably connected to the partition (12) via a central shaft (18) rotatably connected to the partition (12); the upper end of the central shaft (18) passes through the partition (12) and is coaxially fixedly connected with the driving bevel gear (181); the mounting A conical driving gear (183) is rotatably connected to the mounting plate (1) via a transverse shaft (182) and is respectively meshed with a driving conical gear (181) and a conical driven gear. One end of the two transverse shafts (182) passes through the mounting plate (1) and a transition gear (184) is coaxially fixedly connected to the ends of the two transverse shafts. The two transition gears (184) are meshed with each other. A motor (185) is mounted on the outer wall of the mounting plate (1) and drives one of the transverse shafts (182) to rotate.

9. A cast iron gate system for agricultural irrigation channels as claimed in claim 8, characterized in that: The push plate (17) is arranged close to the transverse sealing strip (161) located at the bottom, that is, the lower end surface of the push plate (17) is in contact with the upper end surface of the transverse sealing strip (161).

10. A cast iron gate system for agricultural irrigation channels as claimed in claim 9, characterized in that: The height of the push plate (17) is one third of the length of the vertical sealing strip (16).

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