Compression-resistant irrigation and drainage pile for farmland irrigation and emergency drainage

Abstract

The utility model discloses a compression-resistant irrigation and drainage pile for farm irrigation and emergency drainage, and belongs to the technical field of farm irrigation, the compression-resistant irrigation and drainage pile comprises a pile body with the bottom buried in a farmland soil body and a water pipe, an annular connecting disc is coaxially arranged at the bottom of the pile body, the connecting disc is detachably connected with the water pipe, a connecting port is formed in the side wall of the pile body, and the connecting port is connected with the pile body. The connector is communicated with a water pipe; a water sealing disc moving vertically is arranged in the pile body, and the peripheral side of the water sealing disc is attached to the inner wall of the pile body. The utility model aims to solve the problem of weak anti-backflow capability caused by incapability of quickly switching irrigation and drainage modes according to working condition requirements due to no active isolation structure in the existing patent.

Description

Technical Field

[0001] This invention belongs to the field of farmland irrigation technology, specifically relating to a pressure-resistant irrigation and drainage pile for farmland irrigation and emergency drainage. Background Technology

[0002] Irrigation is the core component of farmland water conservancy systems, while drainage systems play a crucial role in agricultural ecological security. The lack of field drainage projects leads to frequent waterlogging disasters and exacerbated soil salinization, directly impacting crop root development, yield, and quality. In modern ecological agriculture, farmland drainage systems must simultaneously achieve multiple objectives, including rapid drainage of floodwater, soil moisture regulation, and salinity balance. This places higher demands on the structural performance of irrigation and drainage facilities.

[0003] Traditional irrigation and drainage piles (irrigation and drainage wells) achieve dual control of drought and flood through dynamic regulation of the groundwater level: during the dry season, groundwater is extracted for irrigation, which alleviates water shortages and lowers the groundwater level to inhibit soil salinization; before the flood season, the soil pore volume is reduced to enhance rainwater infiltration, forming an underground reservoir to store water for subsequent irrigation while reducing surface runoff. However, existing irrigation and drainage piles generally suffer from the defect of hydraulic path cross-interference—under heavy rainfall conditions, external floodwater can easily seep back into the pile body through the water pipes, mixing with the stored irrigation water, which not only reduces drainage efficiency but also causes secondary pollution of irrigation water.

[0004] Therefore, the patent with announcement number CN219388775U discloses an irrigation and drainage pile, which controls the opening and closing of the drainage pipe by raising and lowering the water line in the pile body to drive the height of the floating ball; however, this patent does not have an active isolation structure and cannot quickly switch the irrigation and drainage mode according to the working conditions, resulting in weak backflow prevention capability. Summary of the Invention

[0005] In view of this, the present invention discloses a pressure-resistant irrigation and drainage pile for farmland irrigation and emergency drainage, the purpose of which is to solve the problem that existing patents lack an active isolation structure, cannot quickly switch irrigation and drainage modes according to working conditions, and thus have weak backflow prevention capabilities.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A pressure-resistant irrigation and drainage pile for farmland irrigation and emergency drainage includes a pile body with its bottom embedded in the farmland soil and a water conveyance pipe. An annular connecting plate is coaxially arranged at the bottom of the pile body, and the connecting plate is detachably connected to the water conveyance pipe. A connection port is provided on the side wall of the pile body, and a water pipe is connected to the connection port. A vertically movable sealing plate is provided inside the pile body, and the periphery of the sealing plate is in contact with the inner wall of the pile body.

[0008] In this design, to prevent cross-flow of irrigation and drainage water, a water-sealing device is used to control the water flow through a linkage design with the water pipe, achieving bidirectional water flow isolation. When irrigation is needed, the water-sealing plate is raised above the connection port, connecting the water pipe, the inside of the pile, and the water delivery pipe, allowing water to be pumped out through the water pipe. When flood prevention is needed, the water-sealing plate is moved below the connection port, separating the water delivery pipe from the water pipe and preventing backflow of external floodwater. When drainage is needed, the water-sealing plate is lowered above the connection port, creating an open channel between the water pipe and the inside of the pile, allowing floodwater to quickly enter the pile and be discharged through the bottom water delivery pipe.

[0009] Compared with existing technologies, this solution has the advantages of rapid switching between irrigation and drainage modes, active backflow prevention, and enhanced structural stability in Laishui.

[0010] Furthermore, a water-sealing device extending into the pile body is threadedly connected to the top of the pile body, and the water-sealing plate is fixed to the bottom of the water-sealing device.

[0011] Furthermore, the connecting plate is provided with a buffer pad that contacts the sealing plate, and the buffer pad is made of rubber.

[0012] Furthermore, a rubber sealing ring is provided around the water-sealing device.

[0013] Furthermore, the end of the water pipe is bent upwards, and the bending angle of the water pipe is 30°~45°.

[0014] Furthermore, a handle is provided at the top of the water shut-off device.

[0015] Furthermore, a cylindrical concrete compression-resistant body is provided around the pile body, and the bottom of the concrete compression-resistant body is buried in the farmland soil.

[0016] Other advantages, objectives, and features of the invention will be set forth in the following description and will be apparent to those skilled in the art in some respects, or may be learned by practice of the invention. The objectives and other advantages of the invention can be realized and obtained through the following description. Attached Figure Description

[0017] To make the objectives, technical solutions, and beneficial effects of this invention clearer, the following figures are provided for illustration:

[0018] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0019] Figure 2 This is a longitudinal sectional view of the installed state in an embodiment of this utility model.

[0020] The following are the markings in the attached diagram: 1. Pile body, 2. Water supply pipe, 3. Connecting plate, 4. Water shut-off device, 5. Sealing plate, 6. Buffer pad, 7. Water shut-off ring, 8. Handle, 9. Concrete compressive strength body, 10. Detailed Implementation

[0021] like Figures 1-2 As shown:

[0022] A pressure-resistant irrigation and drainage pile for farmland irrigation and emergency drainage includes a pile body 1 with its bottom buried in the farmland soil and a water conveyance pipe 2. The water conveyance pipe 2 leads to a water storage tank, and the height of the water storage tank is lower than that of the pile body 1. An annular connecting plate 3 is coaxially arranged at the bottom of the pile body 1. The connecting plate 3 is detachably connected to the water conveyance pipe 2 by a thread. A connection port is provided on the side wall of the pile body 1, and a water pipe 4 is connected to the connection port. A vertically movable sealing plate 6 is provided inside the pile body 1, and the periphery of the sealing plate 6 is attached to the inner wall of the pile body 1.

[0023] In this scheme, to avoid cross-flow of irrigation and drainage water, a water-sealing device 5 is used to control the water flow through a linkage design with the water pipe 4, achieving bidirectional water flow isolation control. When irrigation is needed, the water-sealing plate 6 is raised above the connection port, connecting the water pipe 4, the inside of the pile body 1, and the water delivery pipe 2, and then pumping water out through the water pipe 4 using a pumping device. When flood prevention is needed, the water-sealing plate 6 is moved below the connection port, at which point the water-sealing plate 6 separates the water delivery pipe 2 from the water pipe 4, thus preventing backflow of external floodwater. When drainage is needed, the water-sealing plate 6 is lowered above the connection port, forming an open channel between the water pipe 4 and the inside of the pile body 1, allowing floodwater to quickly enter the pile body 1 under gravity and be discharged through the bottom water delivery pipe 2.

[0024] Compared with existing technologies, this solution has the advantages of rapid switching between irrigation and drainage modes, active backflow prevention, and enhanced structural stability in Laishui.

[0025] Furthermore, a water-sealing device 5 extending into the pile body 1 is threadedly connected to the top of the pile body 1, and the water-sealing plate 6 is welded and fixed to the bottom of the water-sealing device 5.

[0026] The water seal 5 is installed by threaded connection. The water sealing plate 6 can be moved up and down by simply rotating the water seal 5. The threaded connection has a certain limiting function, which can prevent the water sealing plate 6 from loosening during use.

[0027] Furthermore, the connecting plate 3 is provided with a buffer pad 7 that contacts the water sealing plate 6, and the buffer pad 7 is made of rubber.

[0028] By setting a buffer pad 7, the sealing performance between the connecting plate 3 and the sealing plate 6 is increased, preventing floodwater from seeping into the water supply pipe 2 through the gap between the sealing plate 6 and the connecting plate 3.

[0029] Furthermore, a rubber water-sealing ring 8 is provided around the periphery of the water-sealing device 5.

[0030] The sealing of the connection between the water-sealing device 5 and the pile body 1 is enhanced by using the water-sealing ring 8 to prevent floodwater from seeping into the water supply pipe 2 through the gap between the water-sealing device 5 and the pile body 1.

[0031] Furthermore, the end of the water pipe 4 is bent upwards, and the bending angle of the water pipe 4 is 30°~45°, with 45° used in this embodiment.

[0032] The water pipe 4 is designed to be bent upwards, which facilitates the connection of the pumping equipment to the water pipe 4 and effectively prevents backflow of floodwater before the floodwater rises to the opening of the water pipe 4.

[0033] Furthermore, a handle 9 is welded and fixed to the top of the water shut-off device.

[0034] The handle 9 makes it easy to rotate the water shut-off valve.

[0035] Furthermore, a cylindrical concrete compression body 10 is provided around the pile body 1, the bottom of the concrete compression body 10 is buried in the farmland soil, and a layer of sand and gravel is filled between the concrete compression body 10 and the pile body 1.

[0036] By setting up a concrete compressive strength body 10 and a sand and gravel layer, the pile body 1 is protected.

[0037] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of the present invention.

Claims

1. A pressure-resistant irrigation and drainage pile for farmland irrigation and emergency drainage, characterized in that: The system includes a pile body with its bottom embedded in farmland soil and a water delivery pipe. The bottom of the pile body is coaxially provided with an annular connecting plate, which is detachably connected to the water delivery pipe. The side wall of the pile body is provided with a connection port, which is connected to a water pipe. The pile body is provided with a vertically movable sealing plate, which is in contact with the inner wall of the pile body.

2. The pressure-resistant irrigation and drainage pile for farmland irrigation and emergency drainage according to claim 1, characterized in that: The top of the pile is threaded with a water-tight device that extends into the pile body, and the water-sealing plate is fixed to the bottom of the water-tight device.

3. The pressure-resistant irrigation and drainage pile for farmland irrigation and emergency drainage according to claim 2, characterized in that: The connecting plate is provided with a buffer pad that contacts the sealing plate, and the buffer pad is made of rubber.

4. The pressure-resistant irrigation and drainage pile for farmland irrigation and emergency drainage according to claim 3, characterized in that: The water-tight device is equipped with a rubber water-tight ring around its perimeter.

5. A pressure-resistant irrigation and drainage pile for farmland irrigation and emergency drainage according to claim 4, characterized in that: The end of the water pipe is bent upwards, and the bending angle of the water pipe is 30°~45°.

6. A pressure-resistant irrigation and drainage pile for farmland irrigation and emergency drainage according to claim 5, characterized in that: The water shut-off device is equipped with a handle at the top.

7. A pressure-resistant irrigation and drainage pile for farmland irrigation and emergency drainage according to claim 6, characterized in that: The pile body is surrounded by a cylindrical concrete compression-resistant body, the bottom of which is buried in the farmland soil.

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