An assembled farmland water supply and drainage channel
By incorporating a steel reinforcement structure and lifting lugs into the channel module, combined with sealing components, the problems of complex hoisting and poor sealing of prefabricated farmland drainage channels have been solved, achieving convenient hoisting and efficient sealing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SINOHYDRO BUREAU 1 CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-07-14
Smart Images
Figure CN224495059U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a prefabricated farmland water supply and drainage channel. Background Technology
[0002] Prefabricated farmland drainage ditches are a type of efficient and environmentally friendly agricultural water conservancy facility, primarily used to improve farmland drainage conditions, prevent waterlogging disasters, and enhance agricultural production efficiency. Traditional farmland drainage ditches often employ on-site excavation and concrete pouring, resulting in long construction cycles, high costs, and significant limitations imposed by weather and terrain. Prefabricated farmland drainage ditches, on the other hand, utilize factory-prefabricated components for rapid on-site assembly, significantly improving construction efficiency and quality stability. Their components are typically made of high-strength concrete or composite materials, characterized by high durability and good impermeability, adaptable to various soil and climate conditions. Furthermore, the prefabricated design facilitates maintenance and renovation, reducing long-term operating costs. With the modernization of agriculture and the promotion of water-saving irrigation technologies, prefabricated farmland drainage ditches have played a crucial role in improving land utilization, reducing soil erosion, and promoting sustainable agricultural development, becoming an important development direction for farmland water conservancy construction.
[0003] In the existing technology of prefabricated ditches, especially precast concrete ditch modules, special equipment is required for hoisting during installation. During hoisting, steel ropes are used to loop around the ditch modules, and pads are placed inside the ditch so that the steel ropes can be removed after the ditch modules are hoisted.
[0004] This laying method is rather troublesome, and the contact area between the steel rope and the ditch module is small, which can easily cause the ditch module to crack under local stress, affecting the sealing performance later.
[0005] Based on the above problems, we designed a prefabricated farmland water supply and drainage channel that can be cast in place and is easy to hoist. Utility Model Content
[0006] The technical problem to be solved by this utility model is to provide a prefabricated farmland water supply and drainage channel that can be cast and molded and is easy to hoist.
[0007] To solve the above problems, the present invention adopts the following technical solution:
[0008] A prefabricated farmland water supply and drainage channel includes,
[0009] The channel module is embedded in a trench dug in the ground. The inner wall of the trench is leveled so that the outer wall of the channel module fits snugly against the original inner wall of the trench. Multiple channel modules are assembled together.
[0010] A sealing assembly that seals between two adjacently assembled channel modules.
[0011] Preferably, the channel module includes a concrete-cast body and a steel reinforcement structure cast within the body. The two ends of the body are cast with slots. After two bodies are joined together, the sealing component seals the two adjacent slots.
[0012] Preferably, the steel reinforcement structure is formed by bending a single steel bar multiple times. After bending, the steel reinforcement structure forms two symmetrical V-shaped parts and lifting lugs at both ends of the V-shaped parts. After bending the steel reinforcement structure inward horizontally, a straight part is formed. During the casting of the main body, the V-shaped parts are located inside the two side walls of the main body, the straight part is located at the bottom of the main body, and the lifting lugs extend upward and are located outside the main body.
[0013] Preferably, the surface of the steel reinforcement structure is galvanized.
[0014] Preferably, the sealing assembly includes a sealing spacer and a sealing cover, wherein the sealing spacer is located at the splicing surface when the two bodies are mated, and the sealing cover is located at the combined position of the two slots.
[0015] Preferably, both the sealing septum and the sealing cover are made of rubber.
[0016] Preferably, a filling groove is injection molded at the bottom of the sealing cover, the filling groove corresponding to the sealing spacer, and the width of the bottom opening of the filling groove is greater than the thickness of the sealing spacer.
[0017] The beneficial effects of this utility model are:
[0018] Firstly, this device uses an internal steel reinforcement structure, which strengthens the structural strength of the main body. Secondly, the lifting lugs of the steel reinforcement structure are located on the outside of the main body. During installation, only four hooks are needed to hook the lifting lugs to lift the channel module, eliminating the need to lay pads in the trench, which greatly facilitates the construction operation.
[0019] Secondly, after installation, this product can achieve double sealing inside and out through the sealing components, resulting in a good sealing effect, preventing water leakage. Moreover, the sealing installation is relatively convenient, making it suitable for widespread use. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0021] Figure 1 This is an exploded view of the structure of this utility model;
[0022] Figure 2 This is a 3D view of the ditch module;
[0023] Figure 3 A three-dimensional diagram of the reinforced concrete structure;
[0024] Figure 4 This is an exploded view of the sealing assembly.
[0025] Figure 5 This is a schematic diagram of the installation of the sealing assembly. Detailed Implementation
[0026] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.
[0027] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features for a similar purpose, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.
[0028] In the description of this utility model, it should be understood that the terms "one end", "the other end", "outer side", "upper", "inner side", "horizontal", "coaxial", "center", "end", "length", "outer end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0029] Furthermore, in the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "set," "socket," "connect," "through," and "plug-in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0031] See Figure 1The prefabricated farmland water supply and drainage channel shown includes,
[0032] Channel module 1, which is embedded in a trench dug in the ground, with the inner wall of the trench leveled so that the outer wall of channel module 1 fits snugly against the original inner wall of the trench; multiple channel modules 1 are assembled together.
[0033] A sealing assembly 2, which seals between two adjacently assembled channel modules 1.
[0034] Channel module 1 is a prefabricated component embedded in a pre-excavated trench. During construction, the inner wall of the trench needs to be mechanically leveled, and the base needs to be compacted using a soil rammer to ensure that the outer wall of channel module 1 and the inner wall of the trench form a surface contact fit. Multiple channel modules 1 are combined and installed along the extension direction of the trench, and the standard length of a single section is recommended to be 2-3 meters.
[0035] See Figure 2 and Figure 3 As shown, the channel module 1 includes a concrete-cast body 11 and a steel reinforcement structure 12 cast inside the body 11. The two ends of the body 11 are cast with slots 13. After two bodies 11 are spliced together, the sealing component 2 is sealed in the two oppositely combined slots 13.
[0036] The main body is cast from C30 concrete, with polypropylene fibers (0.9 kg / m³) incorporated into the concrete.
[0037] The outer surface of the body is coated with a cement-based penetrating crystalline waterproof coating.
[0038] See Figure 3 As shown, the steel reinforcement structure 12 is formed by bending a single steel bar multiple times. After bending, the steel reinforcement structure 12 forms two symmetrical V-shaped parts 121 and lifting lugs 122 located at both ends of the V-shaped parts 121. After bending inward horizontally, the steel reinforcement structure 12 forms a straight part 123. When casting the body 11, the V-shaped parts 121 are located inside the two side walls of the body 11, the straight part 123 is located at the bottom of the body 11, and the lifting lugs 122 extend upward and are located outside the body 11.
[0039] In the above technical solution, the V-shaped portion 121 serves as a structural reinforcement for the sidewall of the body 11.
[0040] The straight section 123 serves as a structural reinforcement at the bottom of the main body 11.
[0041] The lifting lug 122 is exposed on the outside of the main body 11, which facilitates hoisting and construction.
[0042] The surface of the steel reinforcement structure 12 is galvanized.
[0043] The thickness of the hot-dip galvanized layer is ≥85μm.
[0044] See Figure 4 and Figure 5 As shown, the sealing assembly 2 includes a sealing spacer 21 and a sealing cover 22. The sealing spacer 21 is located at the splicing surface when the two bodies 11 are joined together, and the sealing cover 22 is located at the combined position of the two slots 13.
[0045] Both the sealing septum 21 and the sealing cover 22 are made of rubber.
[0046] A filling groove 221 is injection molded at the bottom of the sealing cover 22. The filling groove 221 corresponds to the sealing spacer 21, and the width of the bottom opening of the filling groove 221 is greater than the thickness of the sealing spacer 21.
[0047] Primary sealing: A sealing septum 21 (8-10mm thick) made of EPDM rubber is placed at the joint surface.
[0048] Secondary seal: A neoprene rubber sealing cover 22 covers the groove assembly area. The filling groove 221, which is injection molded at the bottom of the sealing cover 22, has a trapezoidal cross section and the bottom width is designed to be 12mm, which is greater than the 10mm thickness of the sealing spacer 21, forming a 2mm deformation allowance space.
[0049] Pre-fill the glue filling groove 221 with water-swellable sealing glue (expansion rate ≥150%).
[0050] The following construction process is adopted: 1) Trench excavation: the cross-sectional size is increased by 50mm as the installation gap; 2) Base treatment: a 50mm thick gravel cushion layer is laid; 3) Module hoisting: a special hoisting tool (matching the hoisting lug part 122) is used; 4) Sealing installation: first install the sealing partition 21, and then fasten the sealing cover 22; 5) Joint treatment: then inject sealant from one end of the filling groove 221.
[0051] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0052] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0053] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.
[0054] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0055] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.
[0056] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A prefabricated farmland water supply and drainage channel, characterized in that: include, Channel module (1), which is embedded in a ditch dug in the ground, with the inner wall of the ditch leveled so that the outer wall of the channel module (1) fits into the inner wall of the original ditch; multiple channel modules (1) are combined. A sealing assembly (2) is provided to seal between two adjacently assembled channel modules (1); The channel module (1) includes a concrete-cast body (11) and a steel reinforcement structure (12) cast in the body (11). The two ends of the body (11) are cast with slots (13). After the two bodies (11) are spliced together, the sealing component (2) is sealed in the two relatively combined slots (13). The steel reinforcement structure (12) is formed by bending a single steel bar multiple times. The steel reinforcement structure (12) forms two symmetrical V-shaped parts (121) after bending, and a lug part (122) located at both ends of the V-shaped part (121). The steel reinforcement structure (12) forms a straight part (123) after being bent inward horizontally. When the body (11) is poured, the V-shaped part (121) is located inside the two side walls of the body (11), the straight part (123) is located at the bottom of the body (11), and the lug part (122) extends upward and is located outside the body (11).
2. The prefabricated farmland water supply and drainage channel according to claim 1, characterized in that: The surface of the steel reinforcement structure (12) is galvanized.
3. The prefabricated farmland water supply and drainage channel according to claim 1, characterized in that: The sealing assembly (2) includes a sealing partition (21) and a sealing cover (22). The sealing partition (21) is located at the splicing surface when the two bodies (11) are joined together, and the sealing cover (22) is located at the combined position of the two slots (13).
4. The prefabricated farmland water supply and drainage channel according to claim 3, characterized in that: Both the sealing septum (21) and the sealing cover (22) are made of rubber.
5. The prefabricated farmland water supply and drainage channel according to claim 3, characterized in that: A filling groove (221) is injection molded at the bottom of the sealing cover (22), which corresponds to the sealing partition (21), and the width of the bottom opening of the filling groove (221) is greater than the thickness of the sealing partition (21).